Ipetboom 100pcs 12mm Plastic Test Tube Plugs Leakproof Screw Bottle Stoppers Lab Sealing Caps for Scientific and Industrial Use Random Color

Ipetboom 100pcs 12mm Plastic Test Tube Plugs Leakproof Screw Bottle Stoppers Lab Sealing Caps for Scientific and Industrial Use Random Color

• Test tubes with lids--selected material and professional design the sealing and waterproof effect,test tube cork
• Plastic test tube--comes with a variety of colors, which can distinguish the different products,tubing plug
• Large test tube stopper plug--the set contains 100 pieces of tube screw plugs, large quantity to meet your needs,bottle stoppers carbonated drinks
• Solid plastic plug--the set includes 100pcs, enough quantity, can greatly meet your practical needs,test tube holder
• Plastic test plugs--features with scientific design, can be firmly pressed against the inner wall of the,clear tubes with caps