6-Pack Freezer Tube Storage Box — Holds 100 Tubes (1.5-2ml), Waterproof Cardboard, Lab Organizer

Keep your lab samples neat and accessible with these freezer storage boxes. Each box holds 100 microcentrifuge tubes (sizes 1.5, 1.8, or 2ml) in a 10x10 grid. The boxes are made from coated waterproof cardboard that handles freezer temps from -150°C to 120°C (-238°F to 248°F). Each slot is numbered (letters and numbers along the edges) so you can easily track your samples. Tubes sit securely in the holes, and the lid snaps closed to prevent spills. Overall size is about 5.24 x 5.24 x 1.97 inches—fits neatly in most lab freezers or refrigerators. Great for organizing PCR tubes, cryo vials, or other small samples. Pack includes 6 boxes. Tubes not included. Perfect for research labs, classrooms, or home science setups. Simple, effective, and affordable storage!