300pcs Plastic Test Tube Plugs Leakproof Screw Stopper Laboratory Bottle Cap Multi for Medicine Chemistry Research

Package Include 300 tube plugs Features - Material: Plastic bottle plugs. - Size: 1.20X1.20X1.20cm/0.47X0.47X0.47inch polyethylene flange plug cap. - Color: Random Color mini. - The screw test tube plug is made of , which has the folding. - Selected material and professional design the sealing and waterproof effect chug. - Good elasticity and sealing performance, the plug can greatly meet your scientific research use measurements. - Fine workmanship the practicality and durability. Package includes multiple colors, easy for you to use screw stopper. - Features with scientific design, can be firmly pressed against the inner wall of the bottle.Goods Descriptiontest tubes If you are looking for a practical and reliable sealing plug, this product will be a for you.vial seal cap Simple in structure, very easy to use.corks plugs This is a test tube sealing plug, which is made of for the long-term use.screw stopper A variety of colors, which can distinguish the different products

• Test tube screw plugs-- the set contains 100 pieces of tube screw plugs, large quantity to meet your needs,tube cap for experience
• Test tube accessories-- comes with a variety of colors, which can distinguish the different products,screw stopper
• Graduated cylinder cap-- they have better leak-proof performance than standard plug caps,12mm plastic stopper
• Test tube cork-- the tube plug is made of premium plastic material, which can withstand the long-term use,laboratory bungs white stopper
• Liquid tube cork cap-- good elasticity and sealing performance, the plug can greatly meet your scientific research use,sealing stopper