AirBedz® Pro3 Mattresses are designed to fit around and over the wheel wells of your pick-up creating a sleep area that utilizes the entire truck bed, providing more room and comfort for outdoor enthusiasts. Heavy-duty cloth construction ensures a more puncture resistant mattress meeting the extreme outdoorsmen's needs..where playing hard and sleeping well are all that matter. Optional inflatable Wheel Well Inserts transform AirBedz into a standard air mattress great for both home and tent use.