Storage crate with interlockable edges features a rugged dependable construction to hold and organize all of your classroom supplies. Strong solid bottom prevents it from bending to hold a wide selection of items. Easy-to-hold construction allows you to firmly grasp the crate to safely transport items when needed. Plus it holds letter/legal-size hanging files and folders. Versatile design lets you stack multiple crates on their side to create a custom shelf or toss them into your car for mobile storage.