ProSelect Empire Dog Cages sell for almost $600 new and are quite possibly the world's strongest dog cages. Designed specifically to contain powerful or aggressive dogs, these cages feature strong steel tubing, stout dual door latches and heavy-duty welding at stress points. Constructed to be the Alcatraz of pet cages, the ProSelect Empire Dog Cage ¾" frame is forged from 20-gauge steel and reinforced by ½" diameter steel tubes for the strongest, sturdiest, most durable cage on the market. Designed specifically for powerful dogs that are able to claw or chew their way out of other cages and crate. • Virtually indestructible heavy-duty welds and stout dual door latches • Finished in long-lasting, high-grade hammertone • Rust-resistant and durable The ProSelect Empire Dog Cage includes a floor grate, and four removable locking casters for added mobility. Material: 20-gauge steel reinforced by ½" diameter steel tubes Size: • Large: Outside dimensions: 42¼"L x 30¾"W x 41¼"H
 Inside dimensions: 40¾"L x 28⅛"W x 31¾"H Features & details 20-Gauge Steel Cage – This ProSelect Empire dog cage is extremely strong with reinforced 0.5-inch diameter steel tubes and 20-gauge steel Large-Sized Cage – (41 - 70 lbs) Floor Grate for Tray (tray not included but can be purchased from Pro Select if desired) Removable Casters – The locking casters on the bottom of the cage allow for easily rolling the cage to other locations or leave the casters off for added stability Durable Dog Cage – The Empire cage will stand up to the toughest abuse from the largest dogs with strong latches and thick steel construction. This cage is used and has some normal wear and a few teeth marks in a couple of the tubes. I wasnt able to get a picture that they would show. They are considered minor and do not compromise the integrity of the cage in any way.