Description With a wide range of applications, these tubes can be used for routine scientific testing.High quality plastic, durable, environmental protection.The hard shell ensures durability.Easy to clean.The tubes are well sealed to keep the stored object free from bacteria and water. Features -Color:Transparent -Material:PS -Size:10.50X1.20X1.20cm/4.13X0.47X0.47in - Test tubes are well sealed to keep stored items sterile and moisture-proof. - plastic, durable and environmentally friendly.The hard shell ensures durability.Easy to clean. - The ergonomic screw is easy to seal and tighten, providing excellent leak protection even during bumpy trips. - The compact design ensures that it can accommodate cosmetic samples, lotions, liquids, gels, etc., making it easy to carry and travel. - Set includes 100 tubes for easy storage.Packing list100 X Test tubes