Solid fiber glass crates, used for transporting trade show supplies, set up, fixtures etc. These two crates are stackable and can hold upto 1000 lbs per crate. Can be used for other purposes as well such as moving or transporting high value items inside due to the solid safety feature of these crates. Crates are on rotating wheels on all 4 sides and includes a slide on cover, that can be then ratcheted down with a belt during transport. Crates also have a BOL/PS labeling area for carriers to reference during transport. Crates measure externally: 60 x 60 inches (size to be confirmed at purchase time). Make best offer please.