Tunnel Net and Frame Walk, crawl, squeeze or step through the specially designed tunnel net. Teaches body control against a movable force. Net easily installs onto the 2” O.D. aluminum frame. Features non-marring rubber feet and a convenient “fold-down” design allowing easy setup, breakdown, moving and storage. Tunnel net constructed of quality 3/4” polypropylene rope with 12” square mesh openings. Includes rope ties to control width and depth of net.