This armrest is made of high density Memory Foam which takes the contours of the elbow and wrist distributing weight evenly, and relieving pain. Cover can be easily removed and is washable. This armrest is made of high density Memory Foam which takes the contours of the elbow and wrist distributing weight evenly, and relieving pain Cover can be easily removed and is washable. Elastic Band for easy Fitment. This armrest is made of high density Memory Foam which takes the contours of the elbow and wrist distributing weight evenly, and relieving pain. Cover can be easily removed and is washable. Elastic Band for easy Fitment.