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 when used for more than a few days as vinyl tends to relax over timeMeasurements will vary based on the way in which the customer inflates the airbed. 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 applicable2 quick inflation and deflation valves.comfortable backrest and armrestWill seat and sleep two people folds compactly for storageUpon deflating, pull-out sofa folds compactly for storage or travelNOTE: Refer the Manual before use which is highly recommended. Pump not included