10pcs Single Hole Rubber Stoppers Conical Lab Bottle Sealers for Glass Flasks and Test Tubes, Solid Rubber Sealing Plugs Suitable for Laboratory and Industrial Use

Package List 10 x Rubber Stoppers Characteristics - Material: Rubber. - Size: 3.00X2.50X1.90cm;/1.18X0.98X0.75in; -Product Info:Rubber plug - Perfect for chemical industry, medicine and other scientific researches use. The practical rubber stoppers, easy to pull and remove, save time and labor rubber stoppers. - Not only suitable for professional research institutions, but also suitable for individual containers that need to be sealed rubber stoppers plugs. - It can be used with the glass tube. It is a necessary opening rubber plug kit for experiments lab rubber stoppers. - Made of food grade rubber material, durable and safe to use, you can use them trustingly. - ColorWhite - Small and compact, easy to store and use, not taking up any space of home or laboratory Stoppers for Bottle.Goods Descriptiontest tubes bungs stopper It will meet your experiment sealing needs.rubber plugs This test tube plug set is made of material, which has the .replacement stopper Are you looking for a practical plug for your experiment? Do you want a reliable test tube plug? If your answer is yes, please come and take at this product

• Replacement stoppers--it is a good choice as a gift for your at school if they do experiments in laboratory​,white rubber stoppers
• Lab rubber stoppers--smooth and durable, will not do damage to the bottles or test tubes in laboratory​,Stoppers for Bottle
• Bottle bung--fine workmanship premium rubber material, and good durability, can be used for a long time,test tube plug stopper
• Replacement stopper--the rubber stoppers are small in size and light in weight, convenient to store and use,large hole test tube plugs
• Rubber stoppers silicone sealing plugs--perfect for chemical industry, medicine and other scientific researches use the practical rubber stoppers, easy to pull and remove, save time and labor,stopper reusable bottle sealer