About this item ①Sturdy and durable: Walnest dog kennel made of rust and corrosion-resistant steel. It is strong and durable, hard to be damaged. Nontoxic finished surface keep your dog healthy and render excellent anti-rust ability. ②Lockable wheels: 4 wheels for convenient portability and easy storage. Contains 2 lockable wheels to prevent accidental movement and keep your dog crate securely in place. ③Easy to clean: Removable (slide-out) plastic tray helps you to catch the fallen dog food and excrement, and allows you to wipe and clean easily. ④Easy to install: All hardware included, just need to fit it with four wheels and screw bolts, locks were pre-assembled. Just takes 3-5 minutes to complete. ⑤Double door design: Front door design makes our dog easier to enter and easy to feed your pets. Top door make it easy to interact with your pet.