Coleman Comfort Strong 12-in Height Airbed with Portable Pump - Queen Soft plush top with velvet like sleep surface for more comfort Double lock valve, dual sealed and leak free Easy inflation and deflation with included pump (4D batteries NOT INCLUDED) 12-in bed height. Holds up to 600-lbs. 1 Year manufacturer's warranty. Location, temperature, and humidity will affect the firmness of the airbed. Airbeds will need to be occasionally re-inflated (topped off) to maintain desired firmness upon initial use and when used for more than a few days as material tends to relax over time.