Angle & Height Adjustable Rolling Laptop Desk Cart Over Bed Hospital Table Stand Large shelf 16.5 x 16 Small shelf 9" x 16" Adjustable height from 29" to 41" Unit dimension 25.5"(W) x 16"(L) x 29" TO 41"(H) adjustable Suitable for laptops up to 20" Tilted at 10, 25, 35 and 45 degrees Flat for easy storage