Therm-a-Rest MondoKing 3D Self-Inflating Foam Camping Mattress Luxury self-inflating foam air mattress offers comfort and warmth for camping, home, and travel, no pump required At 4-inches thick, and measuring 30-inches wide by 80-inches long, it delivers superior comfort and warmth (R-value 11.4) in a portable sleeping pad Dual valves allow compressible urethane foam core to expand and inflate when unpacked; can be adjusted to ideal firmness with just a few breaths Vertical sidewalls allow two pads to mate perfectly when paired together to create an extra-large sleeping pad for two people. Bottom fabric type : 75d Polyester. Top fabric type : 75D reverse diamond polyester Includes stuff sack with a carrying handle for portability; measures 80x30x4 inches expanded, 7x31 inches rolled, weighs 6.75 pounds; made in the USA