dimensions21.7D x 26.8W x 3.5H centimetres NRS Healthcare M15691 Portable Overbed/Chair Table Wheeled Height adjustable table for use over a bed or a chair, portable with four castors to roll into position Tilts up to 45 degrees for use when reading. Wheeled Table Height Adjustable: 520-820 mm (20-32 inch),Table top: 530 x 400 mm (20¾-15¾ inch),Footprint:565 x 435 mm (22¼ x 17¼ inch),Maximum tilt: 45 degrees,Wheeled clearance required 80 mm (3¼ inch) Constructed with a powder coated steel frame Flat packed for easy self assembly