Size: 25cm7.5cm3cm, suitable for most 6-9 inch chair arms in home and office.The armrest pad has two adjustable rubber closure straps which can be adjusted to fit all armrests. Quality: High density memory foam brand covered in polyester. Memory foam contours your elbow and arm to relieve pressure points. Extremely comfortable armrests. Multi-function: The armrest cushions not only can be used on the arm of an office or computer chair, but can also be used as wrist rests and wheelchairs for the keyboard. Provides hours of relief and improves computing comfort. Allows you to maximize arm support Stylish Design: With silicone particles, dont worry the armrest pads will move around your armrest. Luxurious fabric coverings are safe to remove and machine wash. Best Gift: Our armrest can not only be used on the arm of an office chair and chair computer pad, but can also be used as a mouse or keyboard wrist rest pad. Anyone who sits at the desk for a long time may need these office chair armrest pads badly to reduce elbow and forearm pressure. It is a great gift for your family or friends.