CarryMyDog.com is proud to offer these heavy duty collapsible steel dog crates. They are available in two sizes to cover Pit Bulls to Mastiffs. These popular crates assemble/disassemble with 8 bolts. Once assembled they are as strong as our one piece welded wire steel crates. The difference is simply that you can break this crate down, load the panels in your vehicle and take it with you. Then, setup is quick and easy so your dog will have a crate while you enjoy your vacation, holiday or just a trip to Grandma's house. This is an indestructible escape proof dog crate. It could easily be the last crate you will ever need. It has a 3 year replacement warranty and is Proudly Made in the USA!