Masione Pet Folding Dog Cat Crate Cage Kennel w/ABS (black, 42" Pet Folding Cage) Fold and Carry Configuration The New Dog cages can help you in training and containing your pet Our dog cages are made from special heavy-gauge metal wire for extra strength and durability We wanted to design a strong, fold flat crate to the highest safety standards which would be suitable for a variety of uses and in particular offer a solution to the problem of many cars requiring shaped tapered crates to fit in the back