The Confote 37Inch Heavy Duty Dog Kennel Strong Metal Dog Cage Pet Crate is perfect for medium and large dogs. With its sturdy steel frame and four lockable wheels, this crate provides optimal ventilation and visibility. The front door is suitable for pet in and out, while the top door also opens up for you to interact with your dog. The 360 degree rotated locking casters allow you to move the crate around easily, and the removable tray helps you to catch any falling food or excrement.