Air Mattress sells on Amazon. I think the price is very good. Please read some of the reviews and see what people thought of the product. Do check how you might qualify for a free shipping offer if available.
All-night Comfort: Special inner construction make the air bed stable and comfortable like a real bed, capacity up to 650 pounds; unique wave veins support all parts of your body well, wipes out your all day fatigue , help you completely relax and enjoy a deep sleep all night.