Storage crate with interlockable edges features a rugged, dependable construction to hold & 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 & 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.