♦♦♦Product Description◑ Ergonomic Keyboard Tray Under Desk - Wrist Rest Desk Extender Mouse Platform - Expandable Keyboard Stand - Easy to Move - With Ball Bearing Rails - Elbow Arm Support for Desk◑ Keyboard Shelf Slides Under Desk - Keyboard Platform - Ergonomic Keyboard Drawer, Pull Out Shelf for Keyboard and Mouse Shelf◑Worried about a messy desk? Do you feel very tired in your neck, back and shoulders after a long day of work? This ergonomic keyboard tray easily attaches to your desk to save space-- Color: Black , Walnut , Maple , Teak , White-- Dimensions: 54/60/70 x 27cm-- Thickness: 1.6cm--Material: natural wood+cold rolled steel rail-- Principle: push-pull●● Save desktop space: Reduce desktop clutter. You can easily put your keyboard, mouse, mouse pad, books and other items on the shelf. Great for home or office use●● Strong bearing capacity: the pallet is stable and does not shake, and the maximum bearing capacity is 25kg/55lbs; durable●● Protect eyesight: keep a reasonable distance from the computer screen, extend 25cm to protect your eyes●● Smooth Design: with slide rails; smooth rails slide in and out easily when using the keyboard tray