Compatibility - Dimension: 9.75 X 3 X 1.3 inches, The armrest pad has two adjustable rubber closure straps that can be cut and adjusted to fit any size armrest. Premium Quality - Premium high density memory foam covered with velor polyester. Memory foam contours your elbow and arm to relieve pressure points. Extremely comfortable armrests. (Note: Due to its temperature sensitivity, memory foam hardens at low temperatures. To make the foam will restore its flexibility when the temperature is between 15-20C.) Widely Used - In addition to the armrest pad of the chair, it can also be used as a wrist rest when typing or using the mouse. Suitable for office chairs, chairs, chairs, chairs, wheelchairs, etc. Relieves Pain - Anyone who owns an office chair or needs to sit for a long time may be in great need of an elbow pad to reduce elbow and forearm pressure. Considerate design - Invisible zipper on the cover allows it to be removed for easy machine washing. Easy to install and remove, and the cushions are non-slip, not easy to come off.