They are 8.5" wide x 16.75" deep and 16" tall.    Plenty of room for small dogs, puppies, cats, ferrets, other mammals, some birds and a lot more.

 Features: A solid, hinged,front door with slide bolt lock. 1" x 2" wire paneled rear wall. Removable metal bottom.

If the 1" x 2" panel is too big an opening for your pet, order the same unit with 1/4" hardware cloth to make it suitable for pet rodents and reptiles.

These units are easy to clean.  No porous materials to harbor germs.