Starmark Dog Zone beds Assembles in less than 2 minutes with no tools! Take it with you wherever you go. Hammock-like comfort and orthopedic support. Helps control hyperactive behavior. Made of durable ballistic nylon fabric. Machine washable, resists stains and tearing. Frame is made from 1” hardened steel tubing. Includes Interactive Training Guide/DVD and Deluxe Pro-Training Clicker!