The Cord Zipper Pull makes dressing easier by giving the user control of zippers. A split ring is attached through the hole in the zipper tab and the hook on the end of the pull engages the ring. When the zipper is fully closed or open, the hook is disengaged. Ten 1/4" (.7cm) diameter split rings are included for hooking to zipper tabs. Zipper must have a hole to attach the Cord Zipper Pull. Made of sturdy nylon cord with a hand loop and metal hook 18" (46cm) long. Cord Zipper Pull Features: Makes dressing and undressing easy! Gives the user control of zipper. Cord Zipper Pull Specifications: Length 18 in. Ten 1/4" (.7cm) diameter split rings are included.