0 a large rectangular rubber or plastic bag that you fill with gas so that you can lie on it in water or use it as a bed --
Lightweight, reduced-size and reduced-thickness air mattresses specifically intended for camping and backpacking are sometimes called sleeping pads, especially when a layer of foam insulation is added under the air chambers.
They made their living room into a bed and breakfast, accommodating three guests on air mattresses and providing homemade breakfast.
Prior to the availability of foam rubber and air mattresses; balsam fir boughs were a preferred mattress in places where trees greatly outnumbered campers.
This is especially useful for campers who carry their equipment as, unlike with normal air mattresses, no pump is needed for inflating.
In contrast, many lower-end air mattresses come manufactured with velour sleeping surfaces.
After finding that only the cot on the porch is available, and costs $16, he drives away to find a spot to set up his noisy air mattress.
The design included an air mattress base and inflated tongs; this allowed the artist to fall safely in any position without bouncing off.
He opted to bring a single rubber air mattress instead of the heavy wooden boats that had doomed his previous journey into the canyon.
