Recommended for medium amp; large size dogs, up to 70 lbs. Clear views reduce pet anxiety. Proper ventilation slits on all sides and door. Solid top serves as a side table. Easy, no tools assembly, see instructions in last photo. Stores away under the bed or couch. Walls of the crate become a Zig Zag Pet Gate. Blends into any decor and doesn't detract from your interior. Optional addon cushion in 5 colors. Assembled Crate Outside Dimensions: 23.5"W x 35.5"D x 25.5"H Interior Dimensions: 22.25"W x 34.75"D x 24.75"H How To Use: No tools needed. Place tray No. 1 on the floor. Stand the hinged clear walls in the tray rails. Place tray No. 2 on top. To use it as a pet gate, remove the crate top and bottom. Take the 2hinged walls and zigzag them across your doorway or opening. Store walls in tray top amp; tray bottom.