BETOOKY 25pcs Solid White Rubber Sealing Plugs Test Tube Stoppers High Temperature Resistant Assorted Size 0#-4# Lab Bottle Caps for Scientific and Industrial Use

BETOOKY 25pcs Solid White Rubber Sealing Plugs Test Tube Stoppers High Temperature Resistant Assorted Size 0#-4# Lab Bottle Caps for Scientific and Industrial Use

• Laboratory bottle stopper plug--suitable for medicine, chemical industry, scientific research test tube use,rubber plug
• Solid stopper--features the good elasticity, which will not do damage to the bottle or test tube,test tube accessories
• Bottle plug stopper--the test tube is made of , which can withstand the long-term use,test tube plugs
• Solid rubber stopper--selected material, which has the good waterproof and effect,solid rubber sealing plug
• Rubber sealing plug--the sealing plug can greatly meet your scientific research use,sealing stopper