The SLCH TE 4.8mL Cryogenic Vials with Caps and Label are designed for use in biological laboratories. Made in Chile, these screw cap vials are perfect for storing and preserving samples. With an extended threaded design, these vials provide a secure seal to ensure the integrity of the samples. The pack of 100pcs ensures that you have an ample supply for your laboratory needs. A reliable choice for professionals in the field of medical, lab, and dental supplies.