OUNONA 5pcs Conical Glass Tube Stoppers Laboratory Sealing Tools for Test Tubes and Erlenmeyer Flasks Easy to Use and Store for Experiments and Individual Containers

Package List 5 x Silicone Stoppers Characteristics - Size: 500X450X300cm/197X177X118inch kegerator. - Material: Silicone Flask Sealer. - Smooth and , will not do damage to the bottles or test tubes in laboratory round. - Constructed by using high-grade material, it safety and can use it with confidence erlenmeyer. - Multi-functional and versatile, can be used for and personal use flasks. - Suitable for test tubes, flasks and other laboratory equipment that need to be sealed lab. - These silicone stoppers are using a suitable shape design, easy to insert and pull radiator.Goods Descriptionstoppers for bottle It is one of for you.testing tubes stopper Smooth and , will not do damage to the bottles or test tubes in laboratory.lab bottles plug Are you looking for a , yet silicone stopper? Are you in search of a sturdy, trustworthy tool that can be used to do multiple jobs at once? , ! Our silicone stopper must meet your needs

• Laboratory supplies-- these silicone stoppers are using a suitable shape design, easy to insert and pull,erlenmeyer flask stopper
• Conical glass tube stopper-- smooth and , will not do damage to the bottles or test tubes in laboratory,experiment accessories
• Test tube stopper-- constructed by using high-grade material, it safety and can use it with confidence,flasks round plug
• Wine stoppers-- fine workmanship premium silicone material, and good durability, can be used for a long time,stoppers for bottle
• Test tube plugs-- the practical silicone stoppers, easy to pull and remove, save time and labor,flask stopper with hole