1. Provides soft cushioning support for your elbows to help you reduce elbow stress 2. Ergonomically designed, combined with materials, soft and elastic 3. The height of the armrest can be increased, so that your elbow is no longer hanging, providing enough support for the armrest 4. Designed with magic sticker straps, so that the chair armrest pads can be securely installed on chairs of different sizes Name: Chair armrest lift arm rest Lifting range: 45-120mm (round handrails cannot be installed) Colour:Black+White Material:Memory foam + metal Package Contents: 1 * Computer Armrest Pad Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.