The ultimate portable table lets you eat, read, write, use your notebook computer or play games, whiles sitting comfortably. Lightweight, yet sturdy, with adjustable angles that accommodate various activities and positions. Ideal for those with limited space and mobility. Easy to assemble, no tools required. Easy to clean. Collapsible for easy storage. Made of sturdy plastic and steel. The top surface measures approximately 20.5"L by 15.5"W by .75"H. Can be adjusted for heights as high as 28" and 20.5" at its lowest. There are 6 total adjustable heights and 3 different angles the surface can be adjusted to.Adjustable. Product Dimensions:20.5 × 16 × 1 inches.