Certain breeds of dogs are prone to escaping from their crate or kennel. Heavy duty dog crates are specially designed to withstand chewing, scratching and gnawing. Most heavy duty crates are made from steel or aluminum.
Favorite brands of dog crate include - Proselect, Smithbuilt, Impact Case & Zinger. If you need a heavy duty crate that is also collapsible and lightweight, you cannot go wrong with an impact case collapsible dog crate.