Organize and protect your valuable samples with this durable 3-inch cardboard Freezer Box. This storage box is designed to withstand ultra-low freezer temperatures, providing a secure and economical solution for storing cryovials and microtubes. The compact 3-inch height is perfect for standard freezer racks, helping you to maximize your storage space. It can be used with or without dividers (sold separately) to create an organized inventory system. Key Features & Benefits Durable Construction: Made from a sturdy cardboard material treated to withstand the moisture and ultra-low temperatures of freezer environments. Space-Saving Design: The standard 3-inch height is compatible with most common freezer storage racks, allowing for efficient use of space. Versatile Storage: Can be used with various grid-size dividers (sold separately) to accommodate different tube and vial sizes, or without dividers for bulk storage. Economical Solution: Provides a cost-effective method for organizing and archiving a large number of samples. Protects Samples: The sturdy box protects samples from being crushed or damaged within the freezer.