Our cages are made with a tough metal, so will handle your dogs when they are hyper are trying to chew the cage. With a brilliant base tray constructed to be non-chew and easily removable for cleaning. Providing you with hassle-free assembly no need for you to fiddle about and get this assembled folded, use this dog cage straight away out of the box following the instructions as indicated. Each door has two sliding mechanisms to keep this safe for your pets and prevent them from escaping, each side of the cage also hooks strongly onto the other, keeping this from collapsing easily.