6-6.5 ft. Truck Bed Air Mattress. The VEVOR 6-6.5 ft. truck air mattress, sized at 75.20 x 63.0 x 9.45 in. and made from high-quality materials, features durability and comfort. The camping bed mattress is easy to inflate and deflate, supports up to 800 lbs. and fits 2-3 people. It's ideal for both indoor and outdoor camping.