Ergonomic Wrist Support: Ergonomic Computer Arm Rest for long hours of mouse/keyboard use, make arm more comfortable Desk Extension: Extends desk space to keep arms naturally positioned, minimizing postures caused by limited surface area Adjustable Space Saving: Features foldable and rotatable design for angles and easy storage when not in use Clamp Installation:Secures firmly to desks with a no drill clamping system, preserving your desktops finish Lightweight Compact: Made of PP in a 30cmx13cm/11.81inchx5.12inch size, includes 1 Arm Rest Support. Ideal for home or office setups Specification: Material: PP Size Chart: 30cmx13cm/11.81inchx5.12inch Package Includes: 1 Computer Arm Rest Note: Please allow slightly errors due to manual measurement and different monitors.