Truck owners with AirBedz mattresses, these wheel well inserts are absolute game-changers! They convert your truck-specific mattress into a regular flat air mattress that you can use anywhere - tents, guest rooms, you name it. The dimensions are 37x10x6 inches, perfectly sized to fill those wheel well openings in your AirBedz Lite mattress (works with PV202C, PV203C, and other Lite models). The universal filler valve makes inflation quick and easy with most air pumps. What I love are the attached Velcro tabs - they keep the inserts securely in place so they don't shift around while you're sleeping or moving the mattress. The quality is exactly what you'd expect from Pittman Outdoors - durable materials that hold air well and stand up to regular use. I've used mine multiple times for camping trips when we needed extra sleeping space in the tent, and they've performed flawlessly every time. They pack down small when deflated, so they don't take up much storage space in your garage or camping gear. Just remember these are inserts only - you need the actual AirBedz mattress to use them. But if you already own an AirBedz and want more versatility from your investment, these inserts are totally worth it. They've basically doubled the usefulness of my truck mattress, making it practical for way more situations than just truck bed camping.