Light-weight, easy to assemble dog agility starter equipment. Young dogs love learning the tunnel. The tunnel is 16 feet long an has a 24 inch diameter. It is a closed tunnel, sometimes called a collapsed tunnel or chute tunnel. The first part is a ridge tunnel with a cylindrical chute of fabric securely attached to the ridged part of the tunnel. The dog learns to run thru the tunnel and push thru the fabric to the end. Comes with 4 staple pegs and 4 L shaped pegs to secure the tunnel to the ground. Made with heavy-duty nylon Comes with convenient carrying bag for easily storage. Great for young dogs not old enough for jumping exercises. Agility builds confidence, increases endurance and develops a bonding relationship with your pet.