100Pcs 15ml Conical Centrifuge Tubes with 2Pcs Racks, Plastic Clear Lab Test Tubes with Screw Caps, Sample Tubes Vials with Graduated Scale and Write Marks
High Transparency and Reusable: Made from clear and thick plastic, these 15 ml tubes are designed for repeated use, allowing easy monitoring of contents without opening the tube
Leak-Proof Caps: Threaded screw caps provide a secure, leak-proof seal, making these tubes suitable for safe storage and transport of samples
Versatile and Easy to Store: Suitable for labs, hospitals, schools, and home use, these test tubes are great for organizing small items, serving as unique science party favors, and can be neatly placed in a rack for easy storage