Recessed, Built-in Fast Fill Electric Pump Inflates and Deflates quickly. 19.5 In. Height Provides the Feeling of Sleeping on a Real Bed. Inflated Dimensions Fit Standard Sheet Sizes. Combination I-Beam/Wave Construction is Patterned After the Traditional Mattress/Boxspring System. Luxurious Flocking Prevents Sheets from Slipping. Built-in Pillow for Extra Comfort and Convenience. Air Pump is Included. Available in Twin Size and Queen Size.