Coleman Quickbed with Pump Combo 4D pump included for fast & simple inflation/deflation Comfortable Coil system for great support Soft plush top for luxurious comfort Airtight System with Double Lock Valve so your mattress stays inflated Attached Wrap 'N' Roll storage system 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.