These PS sampling tubes with caps are designed for clear and secure storage. The transparent construction allows for easy identification of contents, making them ideal for laboratory use, scientific experiments purposes. The sturdy material ensures durability, while the caps provide a tight seal to prevent leaks. Features -Color:Transparent -Material:PS -Size: 11.00X1.50X1.00cm/4.32X0.59X0.39in -Lid design: the sampling tubes come with lids, effectively preventing sample leakage -Ps material: made from hightransparency ps, these sampling tubes are resistant to damage -Transparent storage tubes: the clear design allows users to easily observe the status and quantity of samples -No need for extra tubes: these sampling tubes can be directly used for sample collection and storage, eliminating the need for additional test tubes -Versatile use: suitable for laboratories, and cosmetic fields, these tubes meet the needs of various industries Package list: 50 tubes