It's not easy to hold your phone and do other things. Phones and tablets are a great way to communicate. So why put them away? Now you can have them out, just by attaching to almost anything. Anything? Walkers, wheelchairs, bicycles, headboards and more - anything with a round bar up to 1 ½" diameter. Rubber bumpers hold your electronic in place without scratching it. Arm is 10" long and can swivel for just the right height. Phone holder holds phones up to 7.8" x 3.5" x 0.5".