Fiber-Tech interior construction Headboard provides support when sitting up and prevents pillows from falling off Construction allows bed sheets to tuck in easily and securely Mattress is raised 18in for ease of getting in and out of bed Dual-layer comfort top provides smooth sleeping surface Unique edge and bottom ring construction provide superior stability Powerful internal pump for rapid inflation and deflation Approximate inflation time is 5 mins Approximate inflated size: 60" x 90" x 31" Max weight capacity 600 lb