Lab workers and science enthusiasts, these uxcell storage boxes are exactly what you need for organizing your freezer tubes! Each box holds 25 tubes in a neat 5x5 array, with numbered positions that make tracking your samples super easy. The polypropylene construction is both waterproof and freezer-safe, handling temperatures from -150°C to 120°C without cracking or becoming brittle. The dimensions are perfect at about 2.95x2.95x2.13 inches - compact enough to fit in most freezers and storage systems but sturdy enough to protect your valuable samples. The boxes keep tubes securely in place even when moving them around, and the snap-close lids prevent accidental spills or contamination. The 4-pack means you can organize different projects or have plenty of storage capacity for larger collections. Whether you're working in a professional lab, teaching classroom, or home science setup, having properly organized tubes makes everything more efficient and reduces errors. The quality feels solid - these aren't flimsy disposable boxes but reusable organizers that will last through years of use. No more digging through messy boxes of loose tubes or struggling to read faded labels. Your freezer organization just got way more professional and reliable with these simple but effective storage solutions!
