Clamp it to your wheelchair, a tray table or anywhere else you go. The Viewbase conveniently holds phones and other mobile devices with or without its protective case. Our Plus size (3.25" wide) even comfortably holds the iPhone 11, iPhone X and iPhone 8 Plus. Measure the width of your mobile device to determine which holder to purchase. The Viewbase features a flexible 8" or 13" neck and adjustable swivel holder. It is a must have accessory for FaceTime video calls, watching movies, or making phone calls. The sturdy clamp fits flat or round surfaces up to 2 inches wide. Perfect for wheelchairs, walkers, bed rails, strollers (such as as the EasyS), wheelchair trays, tabletops, desks, and more! Available in 2 holder sizes to fit a variety of devices.