This Adjustable Height Desk Features Six Height Settings (1.8/8.5/10.4/12/14.4/15.9 In) And Supports Up To 17.6Lb - Convert Your Setup Into An Ergonomic Sit-Stand Solution To Improve Comfort. The Sit-To-Stand Desk Surface Is 26.4X18.5In Has Room For A Laptop Keyboard Mouse - The Standing Desk Converter For Laptop Occupies Just 21.7X14.9In Of Desk Space - The Adjustable Standing Desk Riser Ships Assembled. Foam Pads At The Base Protect The Surface And Keep The Stand-Up Desk Platform Level.