HANDS-FREE WALKING! The perfect item to free hands to ensure your safety The W009M Cell Phone Holder is available in 3 sizes. Select the size from the pulldown menu that is large enough to hold your cell phone with a protective case if one is used Overall Height 3.5?. Includes SnapIt! System MultiMount Bracket with hardware for attachment to wheelchairs, walkers, rollators, crutches, and power scooter handlebars UV Stabilized HDPE (High-Density Polyethylene) Stainless Steel Hardware