Airbed combines support and unique textured sleeping surface for solid night"s sleep Ideal extra bed for house guests stows away when not in use Inflated outer perimeter boosts stability, and sleep surface is full 18 inches off the floor Show More21-gauge flocked top and 15-gauge sides are durable and long-lasting; built-in electric pump makes for fast inflation and deflation Comes complete with convenient duffel bag for easy storage and transport Location, temperature, and humidity will affect the airbed?s 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 customer?s 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.