Intex Comfort Twin Airbed Kit 21 gauge flocked waterproof top with 15 gauge sides Built in Electric pump Contoured bottom for added stability Bed is raised 18" from the floor Duffel bag included for storage Location, temperature, and humidity will affect the airbeds firmness. Airbeds will need to be occasionally re-inflated (topped off) to maintain desired firmness when used for more than a few days as vinyl tends to relax over time Measurements will vary based on customers inflation. Airbeds are measured from the widest point including the beams (bulges) on the side and off the tallest point from the floor including built-in pillows if applicable 21 gauge flocked waterproof top with 15 gauge sides Built in Electric pump Contoured bottom for added stability Bed is raised 18" from the floor Duffel bag included for storage