Best Lab Stoppers (Aug. 2026) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

24Pcs Solid Rubber Stoppers 000# - 8# Tapered Lab Bungs Solid Rubber Stoppers...

9.9
CPR Score
Top 2

27 Pack (10 Assorted Sizes) 000# - 7# Tapered Lab Bungs Solid Rubber Stoppers

9.7
CPR Score
Top 3

28 Pack (11 Assorted Sizes) Solid Rubber Stopper, 000# - 8# Tapered Lab Bungs...

9.6
CPR Score
Tips


Our team has analyzed 306 products of different brands, including uxcell, Karter Scientific, Enjoyist, Kyuionty, Bonsicoky, Coldairsoap And Labasics. The following list of top 27 best Lab Stoppers is selected for the customers by analyzing and comparing different features.

* CherryPicks.Reviews is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Lab Stoppers Rated by CherryPicks

Market Overview
Lab Stoppers Reviewed
  • Reviews Analyzed: 5,870 Items
  • CPR Avg. Rating: 8.6 / 10
27 Products Evaluated
  • Highest Price: $22.99
  • Lowest Price: $5.29
  • Avg. Price: $9.51
Price Disclaimer

Top 27 Lab Stoppers on Amazon (Verified You can Buy)

24Pcs Solid Rubber Stoppers 000# - 8# Tapered Lab Bungs Solid Rubber Stoppers 11 Assorted Sizes

XVTHOAKU
XJSZ

Ratings for XVTHOAKU (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
jiangminglianglucky -

Features

Complete Size Range: Includes #000, #00, #0, #1, #2, #3, #4, #5, #6, #7, #8. Each size: #000 8 pieces ,from #00 to #4 comes with 2 pieces, plus 1 piece each of #5 to #8.
Premium Rubber Material: Made of high-density, durable rubber offering excellent resistance against non-aggressive chemicals and concentrated solutions.
Show More

27 Pack (10 Assorted Sizes) 000# - 7# Tapered Lab Bungs Solid Rubber Stoppers

Enjoyist
27 black stoppers
1.45 x 1.45 x 1.18 inches
0.7099 Pounds

Ratings for Enjoyist (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Enjoyist -

Features

Quantity: 27 Pieces,10 pieces #000, #00--#6,Each sizes two,and one piece #7.
Size: 10 Assorted Sizes #000 #00 #0 #1 #2 #3 #4 #5 #6 #7
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Top 3

28 Pack (11 Assorted Sizes) Solid Rubber Stopper, 000# - 8# Tapered Lab Bungs Rubber Corks Plugs, Rubber Corks Plugs White Lab Seal Stopper Plug for Test Tube and Flasks

XYQMLY

Ratings for XYQMLY (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
XYQMLY -

Features

Reliable material: These lab seal plugs are made of high-quality rubber, which are very practical, not easily deformed, and has good sealing performance.
11 different sizes: # 000, # 00, # 1, # 2, # 3, # 4, # 5, # 6, # 7, 8 #, ideal for non corrosive or concentrated solutions that can meet most application needs.
Show More

30Pcs Solid Rubber Stoppers 000# - 8# Tapered Lab Bungs Solid Rubber Stoppers 11 Assorted Sizes

XVTHOAKU
XJSZ
1.6535 x 1.6535 x 1.2283 inches

Ratings for XVTHOAKU (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
jiangminglianglucky -

Features

Complete Size Range: Includes #000, #00, #0, #1, #2, #3, #4, #5, #6, #7, #8. Each size #000 12 pieces (from #00 to #6) comes with 2 pieces, plus 1 piece each of #7 and #8.
Premium Rubber Material: Made of high-density, durable rubber offering excellent resistance against non-aggressive chemicals and concentrated solutions.
Show More

Briwooody 250 Pcs Rubber Plugs 9-Sizes Silicone Tapered Plug Kit 1/15" to 1" Stoppers for Coating, Hole, Painting Protection Silicone Stopper

Briwooody
Briwooody-Plug Kit-47
5.31 x 5.31 x 1.46 inches
0.9304 pounds

Ratings for Briwooody (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Ranueery -

Features

Comprehensive Set for Versatile Use: our silicone tapered plug set includes a total of 250 units in 8 distinct styles, along with a convenient storage box; This diverse collection ensures that you have the right plug for various tasks, all neatly organized
Heat Endurance: exceptionally designed for challenging situations, these silicone plugs can withstand high temperatures as high as 600 ℉/ 315 ℃ for 20 minutes; This heat resistance ensures that the plugs remain unstressed and effective even in extreme working conditions
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Top 6

125PCS Silicone Rubber Stoppers, Coldairsoap High-Temperature Rubber Tapered Plug 8 Size 1/16" to 5/8" for Protecting Hole Plugs, Spraying, Coating, Painting

Coldairsoap
ELQ-Rubber Stoppers 125p
0.4189 pounds

Ratings for Coldairsoap (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Dongguan Yinglang -

Features

High-Quality Material: The industrial powder coating kit is made of silicone rubber. It is sturdy, non-toxic, harmless, and good sealing is not easy to crack, it ensures a long-lasting performance
Package Quantity & Size: Rubber stopper plug total includes 125 PCS in 8 different sizes, sizes from 1/16" to 5/8". Color in pink, black, red, yellow, and blue, suitable for many sizes of holes use
Show More

Aleric 26 Pack Solid Rubber Stoppers - 11 Assorted Sizes Stopper Plugs, 000# - 8# Sizes Rubber Plugs for Flask, Lab Plug Holes, Test Tube

Aleric

Ratings for Aleric (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Aimeiyat -

Features

Widely Application - The lab rubber stoppers are suitable for laboratory and industrial use, great for lab use, test tube, pipes, tank holes, and bottles. Note: This rubber cork material only for the industrial or lab use, do not use them on food or bath tub!
High Quality Material - Our solid rubber stoppers are made from high-quality rubber, durable and not easy to deform, the rubber stoppers plugs have no holes for good sealing performance.
Show More

Eoppen 24Pcs Solid Rubber Stopper 11 Assorted Sizes 000# - 8# for Flask, Plug Holes, Lab Seal Rubber Stoppers

Eoppen
0.7099 pounds

Ratings for Eoppen (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
yonghaoxing -

Features

Material: Made of premium rubber, very practical, not easy to deform, no holes for good sealing performance
11 Assorted Sizes: #000, #00, #0, #1, #2, #3, #4, #5, #6, #7, 8#, wide range of options for your application
Show More

110PCS Silicone Rubber Tapered Plug, Coldairsoap High-Temperature Resistant Rubber Stoppers 8 Size 1/16" to 5/8" for Hole Plugs, Spraying, Coating, Painting Protection

Coldairsoap
110PCS Silicone Rubber Tapered Plug
0.98 x 0.98 x 0.79 inches
0.4211 pounds

Ratings for Coldairsoap (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Dongguan Yinglang -

Features

High-Quality Material: The industrial powder coating kit is made of silicone rubber. It is sturdy, non-toxic, harmless, and good sealing is not easy to crack, it ensures a long-lasting performance
High-Temperature Resistance: Our silicone rubber plug for coating with high-temperature resistance of up to 200℃-300℃, has strong stability and corrosion resistance
Show More

12pcs Lab Rubber Stoppers 8x13x17mm Black Tapered Shaped Solid Small Rubber Stopper for Lab Tube Stopper Size 000# Hole Stopper

GPJYYDS
000# Black
0.5118 x 0.5118 x 0.6693 inches
0.0397 Pounds

Ratings for GPJYYDS (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
GPJYYDS® US -

Features

Size: Bottom Diameter(small-end): 8mm / 0.31inch; Top Diameter(big-end): 13mm / 0.51inch; Body Height: 17mm / 0.67inch
Features: Color: Black; Material: Rubber; Size:#000; Fit for hole: 10-11mm; Package Content: 12 Pcs x Rubber Stopper
Show More
Top 11

Adyoney White Tapered Shaped Solid Rubber Stopper, Size 7#" 1.5x1.1x1.2inch / 37x28x30mm, 10 per Package

Adyoney
7
1.5 x 1.5 x 1.2 inches
1.0483 Pounds

Ratings for Adyoney (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
gewang shop -

Features

Packaging and Size: Our rubber stoppers are conveniently packaged for easy storage and use. Top diameter: 1.5inch/37mm - Bottom diameter: 1.1inch/28mm - Length: 1.2inch/30mm,10 per package.
Manufacturing Material: The rubber stoppers are made from high-quality and durable materials. They are typically constructed using premium rubber compounds,to ensure excellent elasticity and resistance to wear and tear. This material ensures a secure and reliable seal.
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Top 12

WerkaSi Silicone Plugs Rubber Stoppers 60 Pack Water Table Plant Pot Drain Hole Plugs Portable AC 6 Sizes Lab Solid Tapered Drainage Assorted Bottle Stoppers for Round Plastic Pool Ceramic

WerkaSi
R0602005
0.5 x 0.5 x 1.0 inches
0.3307 Pounds

Ratings for WerkaSi (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
BASIDE DIRECT -

Features

Multiple Sizes and Colors: The plugs are very solid, lots of sizes and very pliable
Material: Made of silicone
Show More

Eoppen 50Pcs Silicone Rubber Hole Plug for Round Holes, 5 Sizes High Temp T-Type Waterproof Rubber Plugs for 4-9.5mm/0.15-0.37Inch ID Hole for Bottles Flower Pot Metal Tube

Eoppen

Ratings for Eoppen (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
yonghaoxing -

Features

Material: The hole plugs are made of silicone rubber, soft and elastic, with excellent insulation and sealing, the T-type hole plugs are firmly installed and not easy to fall off
5 Assorted Sizes: Silicone rubber plugs are available in 5 different sizes, 4mm/0.15in, 5.5mm/0.21in, 7.5mm/0.29in, 8.5mm/0.33in, 9.5mm/0.37in(Note: These measurements were taken manually and may have a margin of error of 1–2 mm. Please refer to the actual product for accuracy), these rubber plugs fit snugly in a variety of holes to keep out dust, moisture and dirt, offering a wide range of options for your application
Show More

Bonsicoky 10 Pack Solid Rubber Stoppers - 3# Tapered Shaped Lab Bungs Plug - White Lab Plug for Flask, Plug Holes, Test Tube

Bonsicoky

Ratings for Bonsicoky (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
JIAWONG -

Features

Premium Quality Material: Crafted from high-quality rubber, these stoppers are durable and chemical-resistant, ensuring robustness and reliability. The solid construction without holes enhances sealing performance for non-corrosive or concentrated solutions.
Comprehensive Set of Assorted Sizes: This Solid Rubber Stopper pack offers a wide selection of 11 assorted sizes ranging from #000 to #8, providing ample choices for various applications such as flasks, test tubes, and other laboratory needs.
Show More

5pcs 8# Black Tapered Shaped Solid Rubber Stopper for Lab Tube Stopper Size 32x42x31mm Hole Stopper for Diesel Injector Holes

GPJYYDS
8# Black
0.6393 pounds

Ratings for GPJYYDS (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
GPJYYDS® US -

Features

Size: Bottom Diameter(small-end): 32mm / 1.25inch; Top Diameter(big-end): 42mm / 1.65inch; Body Height: 31mm / 1.22inch
Features: Color: Black; Material: Rubber; Size:#8; Fit for hole: 34-37mm; Package Content: 5 Pcs x Rubber Stopper
Show More

Kyuionty 22 Pack Solid Rubber Stoppers 000# -7# - Tapered Laboratory Test Tube Stopper Plug - 10 Assorted Sizes - Black

Kyuionty
Kyuionty210825-0012

Ratings for Kyuionty (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
JIULON -

Features

Package Content: 22 Pack Laboratory Rubber Stoppers, 5 x #000. 3 x #00. 2 x #0. #1- #5 each size 2 pack. #6- #7 each size 1 pack.
Rubber Stoppers: High quality rubber with excellent sealing and close fit.
Show More
Top 17

Labasics 5-Pack 1# Single-Hole Silicone Stoppers, White Tapered Lab Seal Stoppers with 0.31" Hole, Durable and Reusable Silicone Plugs for Laboratory Glassware, Airtight Sealing, and Experiments

Labasics
LB000611
0.748 x 0.748 x 1.0236 Inches
0.0066 Pounds

Ratings for Labasics (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

Versatile Design: Includes 5 single-hole silicone stoppers, each with an 0.31" hole, ideal for various laboratory needs
Dimensions: Refer to the dimension description image before purchase; please allow for a possible 1mm measurement variance
Show More

5-Pack (Same Size) Solid Rubber Stoppers - Size #7-37mm (1.45in) x 28mm (1.10in) - 30mm (1.18in) Long - Black Lab Plug

Enjoyist
Enjoyist--#7

Ratings for Enjoyist (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Enjoyist -

Features

Please read the dimensions description listing carefully and confirm the dimensions you wanted.
Top diameter: 37mm -- Bottom diameter: 28mm -- Length: 30mm
Show More

26 Pack Solid Rubber Stopper, White Lab Plug, 000# - 8# Sizes Assortment, 11 Assorted Sizes

Newflager
NF-8965

Ratings for Newflager (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Newflager -

Features

These stoppers are made of solid natural rubber.
11 assorted sizes: 000# 00# 0# 1# 2# 3# 4# 5# 6# 7# 8#,wide choice for your application.
Show More

Enjoyist 34 Pack Solid Rubber Stoppers, 13 Assorted Sizes, 000# - 10# Black Tapered Lab Bungs

Enjoyist
34 black stoppers
1.1905 Pounds

Ratings for Enjoyist (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Enjoyist -

Features

Quantity: 34 Pieces,10 pieces 000#, 6 pieces 00#, 0#--6#,Each size two,and 7#--10#, each size one piece.
Size: 13 Assorted Sizes 000# 00# 0# 1# 2# 3# 4# 5# 6# 7# 8# 9# 10#.
Show More

Kyuionty 12 Pack Rubber Stoppers, Size #2 20x15x26mm (Black)

Kyuionty
Kyuionty210825-0010

Ratings for Kyuionty (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
JIULON -

Features

Size #2: Top Diameter: 20mm. Bottom Diameter: 15mm. Length: 26mm.
Rubber Stoppers: High quality rubber with excellent sealing and close fit.
Show More
Top 22

Rubber Stoppers - Size #10 - (Pack of 3) Karter Scientific 216U2

Karter Scientific
216U2
0.38 Pounds

Ratings for Karter Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lake Charles Manufacturing 1,724

Features

Size: 10
Top Diameter Range: 49 - 50mm
Show More

Laboratory Grade Rubber Stoppers, 30 Pieces Assorted Tapered Bungs Set, 11 Different Sizes from 000# to 8#, Solid Black Lab Supplies

Lhazemu

Ratings for Lhazemu (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
YiLu Trading -

Features

Complete Size Range: Includes #000, #00, #0, #1, #2, #3, #4, #5, #6, #7, #8. Each size #000 12 pieces (from #00 to #6) comes with 2 pieces, plus 1 piece each of #7 and #8
Premium Rubber Material: Made of high-density, durable rubber offering excellent resistance against non-aggressive chemicals and concentrated solutions
Show More

19-Pack (10 Assorted Sizes) 000# -7# Solid Rubber Stoppers

Enjoyist
Enjoyist--007
0.5433 x 0.5433 x 1.1811 Inches

Ratings for Enjoyist (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Enjoyist -

Features

Quantity: 19 Pieces,#000--#6,Each sizes two,and one piece #7.
Size:Assorted Size #000 #00 #0 #1 #2 #3 #4 #5 #6 #7
Show More

uxcell White Tapered Shaped Solid Rubber Stopper for Lab Tube Stopper Size 000 10Pcs

uxcell
a19071500ux0510

Ratings for uxcell (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
uxcell 31

Features

1. About Size: Bottom Diameter(small-end): 8mm / 0.31inch; Top Diameter(big-end): 13mm / 0.51inch; Body Height: 18mm / 0.71inch
2. Features: Material: Rubber ; Size:#000; Fit for hole: 8-13mm; Package Content: 10 Pcs x Rubber Stopper
Show More
Top 26

Rubber Stopper - 22 Pcs 11 Assorted Sizes 000# - 8# Tapered Lab Seal Rubber Stoppers,White

YUNFOOK
YF-XJS22-B

Ratings for YUNFOOK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
BESTUNE-US -

Features

Solid Rubber Stoppers: These black stoppers are made of high-quality rubber, which is very durable, not easy to deform, and has good sealing performance.
Rubber Stoppers Size:11 assorted sizes,000# 00# 0# 1# 2# 3# 4# 5# 6# 7# 8#,wide choice for your application.
Show More
Top 27

Starfa Lab 2PCS Glass Hexagonal Head Glass Stopper for 24/40 Joint Glass Outer Joint, Closed Bottom Hex Head Hollow Glass Stopper for Sealing Lab Glassware

starfa lab
20220125002
0.98 x 0.98 x 2.52 inches
0.1 Pounds

Ratings for starfa lab (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
starfa lab -

Features

Glass stopper,24/40 Outer Joint
Hex Head Glass Hollow Stoppers
Show More

Top 10 Lab Stoppers - Verified to Buy (August 2026)

Top 10 Lab Stoppers Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • XVTHOAKU
  • Enjoyist
  • XYQMLY
  • Briwooody
  • Coldairsoap
  • Aleric
  • Eoppen
  • GPJYYDS
  • Adyoney
  • WerkaSi

Top 10 Lab Stoppers Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 uxcell 560,722 4.8
🥈 J & D TECH INC 63,667 4.9
🥉 Lake Charles Manufacturing 32,897 4.8
4 Enjoyist 3,598 4.9
5 JIAWONG 2,974 4.9
6 JIULON 1,803 4.9
7 yonghaoxing 1,650 4.9
8 Newflager 1,098 4.8
9 Aimeiyat 960 4.9
10 Dongguan Yinglang 485 4.8
View or download top Lab Stoppers seller & rating report
uxcell [560722] J & D TECH INC [63667] Lake Charles Manufacturing [32897] Enjoyist [3598] JIAWONG [2974] JIULON [1803] yonghaoxing [1650] Newflager [1098] Aimeiyat [960] Dongguan Yinglang [485] uxcell 84% J & D TECH INC 10% Lake Charles Manufacturing 5% Enjoyist 1% JIAWONG 0% JIULON 0% yonghaoxing 0% Newflager 0% Aimeiyat 0% Dongguan Yinglang 0%

[Get] Lab Stoppers Deals (✅Exclusively for Prime)

What does "Amazon Fulfilled" Mean?

Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.

When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.

What does "Prime" Mean?

"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are  an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.

Prime members also have access to other benefits, including 2-Day ShippingExclusive Member DealsPrime VideoBuy With PrimeAmazon MusicPrime Gaming, and more.

Shop Prime Lab Stoppers Deals

What does "Free Shipping" Mean?

"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.

Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.


Why Should You Trust Us?

Now hundreds and thousands of Lab & Scientific Products supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Lab Stoppers to buy for new August 2026?

CherryPicks’s Methodology for Evaluating Lab Stoppers

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Lab & Scientific Products items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 306 of Lab Stoppers reviews based on our selection criteria. It helped us shortlist the top qualified and rated Lab Stoppers for Lab & Scientific Products, We found that most customers choose Lab Stoppers with an average price of $9.51, and the top brands are uxcell, Karter Scientific, Enjoyist, Kyuionty, Bonsicoky, Coldairsoap And Labasics

Then our expert-level editors reviewed all those quality items and selected the top 27 Lab Stoppers for you, We have researched hundreds of sellers and picked the top sellers for Lab & Scientific Products, including uxcell, J & D TECH INC, Lake Charles Manufacturing, Enjoyist, JIAWONG, JIULON, yonghaoxing, Newflager, Aimeiyat, Dongguan Yinglang And starfa lab. The 24Pcs Solid Rubber Stoppers 000# - 8# Tapered L... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 52 consumers with an average rating of 4.2.

We've helped a lot of satisfied users get the right Industrial & Scientific product based on their needs, and save lots of time for them to pick Lab Stoppers to buy.


Written By Thomas Joseph

Thomas Joseph has over 7 years of working experience with a reputation science laboratory. He is a father, a writer, and a pet lover. He would be sharing his expert knowledge on Industrial and scientific equipment to help us make the right purchase.