CELLTREAT Scientific Products 1.8mL Cryogenic Vial. Designed for storing biological material at temperatures as low as -196¿C, in the gas phase of liquid nitrogen. CELLTREAT product descriptions are based on the highest graduation mark on the vial. Other brands may name vials based on actual liquid capacity. Self-standing re-sealable bags offer a unique storage solution. External thread cap features integrated leak-proof seal, a long skirt for easy one hand aseptic methods, and a thread design allowing it to be removed or sealed with a mere 1 1/4 turn. Caps have textured ridges to provide gripping when wearing gloves. Contrasting black graduations are large and easy to view. Large white marking area for writing also provides backdrop to enhance graduations. Self-standing base interlocks with Easy Grip Workstation Rack for easy one-handed opening. Liquid capacity 2.0mL. Every case is printed with lot number for quality traceability. Sterile, bulk packed 50/re-sealable bag, 100/case.