Best Lab Stoppers 2026

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Last Updated - 27.03.2026

Best Choice

01

Labasics

Labasics 10PK 7# Solid Rubber Stoppers - Size: 30 mm Bottle, 37 mm Top, 31 mm Length - White Conical Lab Seal Rubber Stoppers

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16% Off
9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Warranty: 1 year limited warranty from Labasics; If you receive damaged, please contact us immediately. We will solve it until we are satisfied
Please read the picture with the dimension description carefully before making a decision (possibly 1 mm measurement error)
Please note that these rubber stoppers are not suitable for food use
Excellent resilience and maintains suppleness over a long period of time
Comes in pack of 10, size: 7#; bottom diameter: 30 mm; top diameter: 37 mm; height: 31 mm

12,59 € 14,99 €(16% Off off)
02

HeyWin

HeyWin Rubber Stopper Conical 19 mm to 26 mm, Sealing Plug Used for Sealing Balloon Bottles, Conical Bottles, etc. (10, 4#)

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Solid rubber stoppers alsod used as a bung for conical flask、glass carboy etc,exhibit excellent resilience and retain pliability for a long time,tapered shape design, easy to plug and pull
Size 4#: 28X26X19mm
Please read the dimension description image carefully before making a decision (might have 1-2 mm measurement error)
Please note these rubber stoppers are not food grade
HeyWin Team always adhere to the principle of customer first, and serve with heart. If you encounter problems with the product, please contact us immediately, we will give you a satisfactory answer within 24 hours

10,99 €
03

Vesaneae

Vesaneae Pack of 16 Solid Rubber Plugs, White Rubber Plugs, Laboratory Rubber Plugs, Push-In Sealing Plugs, Rubber Plugs, Taper Hole, Laboratory Stopper, Rubber Plugs for Test Tube, Piston, Gas Bottle, 9 Sizes

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Package: includes 16 pieces solid rubber stoppers with 9 different sizes, 000# (2pcs), 00# (2pcs), 0# (2pcs), 1# (2pcs), 2# (2pcs), 3# (2pcs), 4# (2pcs), 6# (1pcs), 7# # # (1 piece). The specific size can be referred to the picture.
Material: Made of solid rubber, with good elasticity and flexibility, high temperature resistant, acid and alkali resistant, does not dissolve and swell in acidic liquids, reusable and durable.
Good sealing: Conical design, can seal the hole in the test tube sufficiently to prevent liquid leakage or prevent the liquid from being polluted by air and dust, safe and practical.
EASY TO USE: With smooth surface and moderate hardness, easy to plug and pull, and sturdy performance make it unnecessary to worry about breaking them like the glass stoppers.
Application: Rubber stoppers can be used in test tubes, bottles and other experimental instruments. Suitable for laboratory, school, household and industry.

6,49 €
04

Infalab

Infa-Lab MAGIC TOUCH Liquid Styptic Nails Stop Bleeding Skin Protector InfaLab by Infalab

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9.5

Excellent

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One drop is enough to stop bleeding
Infa manicure cuticle antiseptic
Brand: Infalab

9,91 €
Value for Money

05

Keadic

Keadic 32pcs White Solid Rubber Stopper Conical Lab Plug, 13 Different Sizes Rubber Plug, Conical Lab Rubber Plug, Black Lab Plug, Conical Lab Seal Rubber Stopper for Seal

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20% Off
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Wide application: black laboratory piece set is widely used for medicine, chemical industry, construction, scientific research, home and industrial applications. Perfect for spraying, coating, hole plug and paint protection etc.
Reliable material: cone laboratory sticks are made of rubber, robust and wear-resistant, oil and high temperature resistant, not easy to deform or break, has good stability, can be reused and can be used for a long time.
Package includes: you will receive 10 x white solid rubber stoppers (#000), 6 x white solid rubber stoppers (#00), 10 x white solid rubber stoppers (#0, #1, #2, #3, #4), 6 x white solid rubber stoppers (#5, #6, #7, #8, #9, #10), total 32 pieces. Sufficient quantity and rich sizes can meet your daily use.
Multiple sizes: cone laboratory rubber plug set comes in 13 different sizes, including #000, #00, #0, #1, #2, #3, #4, #5, #6, #7, #8, #9, #10. You can choose the suitable laboratory plug size according to your needs to improve your user experience.
Easy to install: the tapered laboratory Bungs solid rubber plugs adopt a conical design that is easy to insert and remove. In addition, black solid rubber plug can provide a good seal and bring convenience to your life.

7,99 € 9,99 €(20% Off off)
06

Keadic

Keadic 32pcs Black Solid Rubber Stopper Conical Lab Plug, 13 Different Sizes Rubber Plug, Conical Lab Rubber Plug, Black Lab Connector, Conical Lab Seal Rubber Stopper for Seal

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide application: black laboratory piece set is widely used for medicine, chemical industry, construction, scientific research, home and industrial applications. Perfect for spraying, coating, hole plug and paint protection etc.
Reliable material: cone laboratory sticks are made of rubber, robust and wear-resistant, oil and high temperature resistant, not easy to deform or break, has good stability, can be reused and can be used for a long time.
Package includes: you will receive 10 x black solid rubber stoppers (#000), 6 x black solid rubber stoppers (#00), 10 x black solid rubber stoppers (#0, #1, #2, #3, #4), 6 x black solid rubber stoppers (#5, #6, #7, #8, #9, #10), a total of 32 pieces. Sufficient quantity and rich sizes can meet your daily use.
Multiple sizes: cone laboratory rubber plug set comes in 13 different sizes, including #000, #00, #0, #1, #2, #3, #4, #5, #6, #7, #8, #9, #10. You can choose the suitable laboratory plug size according to your needs to improve your user experience.
Easy to install: the tapered laboratory Bungs solid rubber plugs adopt a conical design that is easy to insert and remove. In addition, black solid rubber plug can provide a good seal and bring convenience to your life.

9,99 €
07

YIXISI

YIXISI 25 Pieces 10 Sizes Solid Rubber Stopper Kit, Conical Rubber Stopper, Solid Rubber Stopper, Laboratory Rubber Stopper, for Sealing Balloon Bottles, Conical Hip Flask (000# - 7#)

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Package includes 25 pieces white solid rubber stoppers in 10 different sizes. 000# - 0# 5 pieces per size, 1# - 3# 2 pieces per size, 4# - 7# 1 piece per size.
MULTIPURPOSE The solid rubber plugs are ideal for laboratory, household, medicine, scientific research, industrial application, etc.
HIGH QUALITY MATERIAL Made of reliable solid rubber material. It is flexible, durable and reusable, corrosion resistant and has a good seal that does not break easily.
GOOD SEALING With good sealing performance, suitable for covering holes, can block the air, keep dust, and effectively prevent liquid from leaking or evaporating.
Easy to Use Tapered rubber plugs are suitable for a variety of different size holes, flexible and elastic, easy to insert and remove.

10,99 €
08

stonylab

StonyLab 1 Pack Glass Stopper, Glass, Glass Stopper, Lab Pennyhead Stopper, Glass Hollow Stopper for 24/40 Outer Joint Glass with Closed Base

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16% Off
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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StonyLab Ensures high quality and first-class customer service
Penny Head Stopper
Hollow glass stopper
Borosilicate glass, heavy duty design, reusable and high quality; maximum temperature resistance 200°C
24/40 joint

9,23 € 10,99 €(16% Off off)
09

YOKIVE

YOKIVE Pack of 5 Rubber Stoppers with Hole Conical Plugs with High Temperature Resistance Protection Hole Ideal for Laboratory Industry (Black, 14 mm to 19 mm)

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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What you get: the package contains 5 rubber plugs. The lower diameter is 0.55 inches, the upper diameter is 0.75 inches and the height is 0.98 inches
Specially developed – this plug is conically shaped and specially protects holes or threads when powder painting, painting, electroplating, anodising, sandblasting, etc.
Reliable material – this cone plug made of rubber is heat-resistant, electrically insulating, chemically stable and corrosion resistant to acids and alkalis.
Note – Before ordering, please check the product size carefully
Multi-purpose: the rubber plugs are ideal for laboratory, industry, office and everyday use. They are suitable for workers, chemists, teachers, etc.

6,09 €
10

PATIKIL

PATIKIL Fixed Rubber Stoppers 5#, Pack of 5 Conical Lab Seal Rubber Stoppers Lab Plugs for Test Tube Caps for Bottles Water Pipe Sealing, White

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Note: Please confirm that the rubber plug corresponds to the diameter to ensure the sealing effect.
INSTRUCTIONS The tapered design makes it easy to insert and remove the plug.
Colour: white, material: rubber, maximum diameter: 29 mm / 1.14 inches, minimum diameter: 22 mm / 0.87 inches, height: 28 mm / 1.1 inches, packaging list: 5 pieces x water pipe cover decoration
Advantage The Lab plug is made of solid rubber material with good sealing performance, stable and durable, not easily deformed, washable, and can be used for a long time.
APPLICATION Solid rubber stoppers are commonly used in laboratories, households and industries to seal or block openings such as test tubes, cups, bottles, water pipes, drains.

9,19 €