The Airbedz Pro3 Truck Bed Air Mattress is comfortable way to enjoy the outdoors. Great for things like fishing, camping, beach trips and more, the patented design makes for an enjoyable use of the truck bed. This patented design allows the mattress to fit around and over the wheel wells for complete bed use. Optional Pro3 Inflatable Wheel Well Inserts will turn this truck bed mattress into a regular air mattress (inserts sold separately). The 12 inch thick mattress has an integrated air coil comfort system that covers the entire mattress. This allows for even weight distribution throughout the entire truck bed. Heavy-duty industrial cloth construction keeps this mattress as comfortable as it is durable. This mattress is highly resistant to punctures, and comes with a built-in DC air pump with a 19' cord that plugs into a 12 volt socket