The armrests of the desk chair are made of soft polyester and high-density memory foam for the most comfortable fit against your arm and elbow. An anti-slip fabric has been added which ensures that the pads stay firmly on the chair. These chair armrests have removable cover with a convenient zipper that allows the cover to be machine washed at any time for easy cleaning. The amazing high-quality foam, as well as the fabric of these desk chair armrests, ensures extreme durability. You can give it as a gift to anyone and never worry about the quality. The pad has the size: 24.4 x 7.5 x 6.3 cm, measured to fit most office or home chairs. It also has two extra long Velcro straps that can be cut and adjusted to fit armrests of any size. Please measure your armrests first before purchasing to ensure compatibility. It can also be used as a wrist rest when typing on a keyboard or using a mouse, making it work equally well on hard desks, perfect for office chairs, gaming chairs, airplane chairs, wheelchairs, etc. The armrest pad makes the office chair soft and elastic, you don't have to worry about the office chair armrest being scratched. They can also increase the height of the armrest so that your elbows are no longer suspended to help with stress. Makes you feel comfortable sitting for a long time._qq