Goplus 44''L x 29''W Metal Wire Pet Crate Dog Cat Cage Suitcase Exercise Playpen Brand new and high quality;Heavy-duty and non-toxic steel wire Four wheels (Two lockable) for convenient portability and easy storage;Strong structure and frame Equipped with a composite plastic tray for easy cleanup;Two doors available: One is equipped with a lock and the other is equipped with secure and simple slide bolt latches Size of Square Tube: 16x16mm Size of Wire: 3/3.5mm ;Wheels: Four (Two lockable); Overall Size: 43.3 x 28.3 x 37 (L x W x H); Cage Height without the tray: 31.5; Door Size: 29 x 13.4 (L x W); Small Door Size: 11.8 x 7.9 (L x W) ;Top Bar Spacing: 6.3 x 1.6 (L x W) ;Side Bar Spacing: 7.1 x 1.6 (L x W) Color: Black;Package Includes: 1 x Dog Crate (Assembly is required), some screws, four wheels, 1 x User Manual