Specifications: Made from high-strength ABS board for durability. Wrist rests are highly portable and easy to install, disassembling in seconds for transport in a briefcase or laptop bag. Adjustable to your desired position; the pad locks in place when your forearm rests on top. Distributes forearm weight over a large area, reducing local wrist strain and eliminating tension in neck, arm, and shoulder muscles common for computer users. Memory foam wristband provides comfort and softness, promoting blood circulation during prolonged use. Description: Name: Adjustable Extendable Armrest Bracket General Use: Commercial Furniture Size: 29 x 13 cm Material: PU + ABS Color: Black Package Contents: 1 x Armrest. Note: Light reflections and different displays may cause the color of the item in the picture to differ slightly from the real item. The allowable measurement error is +/- 1-3 cm.