Variety and Convenience: Each package contains 10 polypropylene microcentrifuge tube cryogenic storage boxes with 100 positions. The aperture size is uniform for easy tube access. Ample Space and Precise Dimensions: Each box measures approximately 5.51 x 5.51 x 2.05 inches (14 x 14 x 5.2 cm) and features 100 positions. The inner diameter of each slot is approximately 0.51 inch (13 mm), compatible with 0.5 mL, 1.5 mL, and 2 mL tubes. This design provides ample space and secure, organized storage for small vials, microtubes, and cryotubes. Quality Material and Construction: Made from durable polypropylene with smooth, burr-free edges. Resistant to temperatures from –80°C to +121°C. Features a hinged lid with a secure latch for sample protection and a transparent lid for easy content visibility. Efficiency and Versatility: Each box has 100 labeled positions for efficient sample organization and segregation. Includes a secure-fitting lid. Compact design fits standard refrigerators and freezers, optimizing storage space. Wide Applicability: Suitable for use in vertical freezers and general laboratory environments. Material: Polypropylene Color: Assorted Package Contents: 10 x Cryogenic Storage Boxes Note: Color may vary slightly due to screen settings and lighting conditions. Dimensions are subject to a tolerance of ±1–3 cm.