2mL Cryostorage vial with external thread sealed cap and lip design to ensure leakproof seal. Made of medical-grade, non-cytotoxic, USP class VI, and FDA compliant polypropylene. BSE/TSE BPA, phthalate, Latex, and Heavy metal-free. Free of RNase, DNase, Pyrogen, and DNA. Sterilized by Gamma radiation and Autoclavable. Additional details about MLS-CVETS-2S: Temperature Range: -196°C – +121°C. Max working volume: 2mL. Self standing. Packed in tamper proof zip-lock bags.