SHIPPING INCLUDED A clear plastic reading racks that hooks over the top of the monitor of your fitness machine. Wide shelf holds ALL books, magazines and newspapers. Works great on Treadmills, Bikes, Steppers, and Elliptical Machines. Top Hook: 2.25 inches Top Lip: 1 inch Lower Hook: 1.75 inches Lower Lip: 1.13 inches Dimensions: 8.5"H x 11.75"W Warranty: Manufacturer's 1 Year Limited