Armrest pads are made of memory foam and velvet polyester finish, soft enough to make your elbow and arm to relieve arm and pressure and fatigue let you feel comfortable in your chair Equipped with an invisible zipper, you can easily remove the cover and throw it into your washing machine for easy cleaning to use cold water or detergent for a fresh clean Armrest elbow cushion fits for most home or office task chair seats, simple to slip and slide over arms of chairs and remove them, its snug fit will make sure it doesn’t move even after many hours of use Great to use in your office, on a plane, in your home, or anywhere, with it being lightweight, you can easily carry it around with you to any place you would need it for Easily put on and taken off, pad size 10.25(L)* 5(W), fits chair arms from 6 to 11 inches