36" Heavy Duty Dog Cage Dog Crate, Metal Dog Cage Kennel with Lockable Wheels, Double Door and Removable Tray, GrayEasy Transport: The four caster wheels on this dog cage provide effortless movement. These wheels lock to secure in place, keeping the cage still and safe for your dog. Two Openings: This metal dog crate features two access points: a large front door and an easy open top hatch, have easy access to the inside, so you can pet and feed your pup in a flash. Secure Enclosure: This dog kennel has two slide bolt latches on the front door and a central slide