20" Full Air Mattress with Built-in Pump and Tethered Remote Control for $49.99.  Shipping is $5.00 for a total of $54.99 shipped. Here is a screenshot for your reference.  It features inner coil design for supporting up to 600 lbs., a built-in remote controlled pump, and measures 74"L x 54"W x 20"H when inflated.