Constructed using ultra-low temperature aviation-grade materials for durability and safety. Advanced Cooling Technology: This cryopreservation container utilizes a gradient cooling system, ideal for maintaining optimal temperatures during the freezing and thawing processes, ensuring cell viability. Versatile Capacity: Designed to accommodate both 2ml samples, this tool is perfect for various research and applications, providing flexibility in sample size. Safe and Efficient: Engineered to operate safely within liquid nitrogen environments, this container guarantees efficient sample resuscitation without the risk of thermal shock to delicate specimens. Chemical Safety: Free from high-concern chemicals, this product ensures a safe environment for both the samples and the users, aligning with strict health and safety standards. Features: Eco-friendly, safe, and pollution-free, promoting sustainable usage. Reusable design, ensuring long-term utility and cost-effectiveness. Specifically engineered for cell cryopreservation, making it ideal for biological and applications. Use: Cell cryopreservation and cell freezing. Color: As Shown Material: EVA Foam Package Contents: 1*Gradient Cooling Box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.