CV-A0015 Laboratory 1.5ml Transparent Plastic Cryo Tube with Screw Lid Silicon Ring. Leak Proof Design: Passes -80kpa vacuum test ensuring no leakage during storage. Sterile Options: Available in both sterile and non-sterile versions to meet lab needs. Multi-Color Lids: Lids available in Purple, Yellow, Blue, and Transparent colors. ISO Certified Quality: Manufactured in class 100,000 workshops with ISO9001 and ISO13485 compliance. Fast Delivery: Peak season lead time one month; off-season within 15 workdays. Customization Support: Offers full, minor, and flexible customization from samples or designs. PP Material Construction: Made of durable Polypropylene (PP) for chemical resistance. Screw Lid with Ring: Features a secure screw lid equipped with a silicon sealing ring.