These pro level pull up straps are made with a shatterproof leather to last and last. And because they are designed to attach to any size bar at the gym, they’re the ultimate bodybuilder’s ab workout companion. These straps won’t let you down and are reinforced with a moisture resistant lining, complete anti-damage defiance, thick padding and protection, plus long handles for mega grip during every ab lift, these straps are virtually indestructible. The heavy duty steel rings are oversized, making them compatible for all gym equipment and machinery. Versatile, easy to use, and made for pros.