Give your dog a lift with the orthopedic support and comfort of a patented Kuranda Chew proof Dog Bed. This high strength, lightweight aircraft grade aluminum stands up to the toughest dogs, indoors or out. This is a far superior design compared to the metal beds. Anywhere a dog goes to bite fabric he has to contend with 1 1/2 inch diameter aluminum pipe. The screws and nuts on the aluminum bed will not come loose. The life span of the aluminum bed is virtually unlimited. Kuranda guarantee the structural integrity of the frames and fabrics of their dog beds for a period of one year from date of purchase.