Keep specimens secure with the Simport Scientific Cryovial self-standing sterile tube. This clear polypropylene 2 mL vial (12.5 x 41 mm) withstands temperatures down to -190°C for dependable cold storage. An internal-thread cap with a silicone washer forms a leak-proof seal, while the white marking area makes identification fast. The round-bottom, self-standing design simplifies bench-top handling without a rack. Supplied in a 1 x 100-tube pack for efficient sample management.