"The Other Door®" Deluxe Steel Crate from Pet Gear features Heavy Duty Blow-Mold Plastic with steel inserts. Rounded corners and no sharp edges eliminate damage to your home or car. Four doors offer accessibility from any angle. The garage-style side door stays up and out of the way when open. Integrated wheels and pull handle allow for easy movement from room to room. Bolster pad and carry/storage bag are included.