CV-A0005 0.5ml Plastic Freezing Tubes Cryo Tube with Screw Lid Silicon Ring. Leak Proof Design: Ensures no leakness under -80kpa vacuum test conditions. ISO Certified Quality: Adheres to ISO9001, ISO13485, and CE standards with rigorous quality control. Sterile Options Available: Offered in both sterile and non-sterile configurations. Multi-Color Lid Options: Lids available in Purple, Yellow, Blue, and Transparent colors. Fast Delivery Capability: Peak season lead time is one month; off-season is within 15 workdays. Full Customization Support: Supports customization from samples, designs, and flexible minor adjustments. Premium Material Construction: Made from high-quality PP plastic with a screw lid and silicon ring. Sample Availability: Samples are available for customer evaluation prior to bulk order.