Heavy-duty, 210D Oxford polyester and steel springs. Extra long tunnel can be positioned different ways. Includes 12 ground stakes for stability. Lightweight for easy handling. Carrying case for simple storage. Get your dog up and moving with the Pawhut Dog Training Tunnel Chute. Pooches love to run through the twisty, bendy chute, and you can position the extra long tunnel a seemingly endless number of ways to keep the fun fresh. Heavy-duty, 210D Oxford polyester and strong steel springs ensure that the tunnel will hold up to countless uses. While your dog works through the obstacle, 12 ground stakes hold it securely in place. After the training session is complete, the chute and stakes stow away neatly in the included carrying case.