Modeled after those used by professional dog trainers, this 3 ft. tunnel with a detachable fabric chute provides a basic backyard agility exercise for dogs that encourages them to run and respond to commands, strengthening the bond between owner and pet and reinforcing obedience training. Made of lightweight rip-stop fabric supported by a spiral galvanized steel frame, the tunnel can be attached to an 8' long chute for an additional challenge during agility training. Includes six metal stakes and security lines that keep the tunnel fixed in one place. Everything stores conveniently in an included carrying case. For dogs up to 20" tall. 132" L x 21 1/2" Diam. (3 lbs.)