You’ll get improved comfort, durability and safety. The nylon safety cover prevents overstretching and increases the life of the tubing 8-10 times over uncovered tubing. It also provides protection from irritation caused by latex. We include dog clips on both ends, for quick attachments to equipment and/or handles.Includes:2 short, 2 long, 1 foot strap, 1 pair handles, 1 pair loops.