Super Easy to Install - Attaching the cup holder onto your mobility equipment is quick, easy and doesn’t require any tools. Simply place the u-shaped clamp around the pole or hand bar and thread the tightening screw through the holes and you are ready to roll. Universal Fit - The universal adjustable cup holder provides you with unlimited possibilities of mounting locations. It’s the perfect fit for mobility devices like strollers, walkers, bicycles, wheelchairs, bed railings, rollator and more. Travel With Ease - By allowing a way to safely hold a cold or hot drink, this convenient product enhances all of your travel experiences. The universal cup holder by Tulimed, easily affixes firmly to a variety of mobility devices and swivels to keep your drink level. The cup holder clamp comes with a removable rubber insert, allowing it to fit on virtually any size tubing. This convenient accessory is a great addition to your walker, rollator, wheelchair, or transport chair. Easy to install; simply place the u-shaped clamp around the pole and thread the tightening screw through the holes