3 Inch Test Tubes with Screw on Tops (Pack of 10)

This is a pack of 10 quality test tubes with screw on tops. This tubes are made from thick walled polystyrene (PS), Food Grade, Suitable for liquids, Non Sterile, Round bottomed Rimless, Tough & Reuseable Machine washable (tops and tubes) and leakproof when the stopper is applied. You will be sent either red or blue tops unless you specify.