"Cotton Color Black Size: 23.5 x 7.5 x 3 cm Box contents: 2 chair armrests Perfect size, compatible to fit with most work chairs at home or in the office. The armrest pad has two adjustable elastic straps that can be cut and adjusted to fit any size armrest. Quality: High quality memory foam made of high density polyester and velour. The elbows and arms are perfectly connected with memory foam and the pressure is well relieved. Designed with care: When using cotton, you won't have to worry about the armrest cushion moving around the armrest. The hidden zipper on the cover can be removed for easy machine washing.Multifunctional: In addition to the armrest cushion on the chair, it can also be used as a hand rest when typing or using the mouse. Suitable for office chairs, gaming chairs, airplane chairs, dining chairs, wheelchairs, etc. PAIN RELIEF: If you have a desk or have to sit in a chair for a long time, you may need these elbow pads to relieve pain in your elbows. and forearm pressure.