Reddit reviews Therm-a-Rest MondoKing 3D Self-Inflating Foam Camping Mattress, Standard Valve (2018 Model), XX-Large - 80 x 30 Inches

Luxury self-inflating foam air mattress offers comfort and warmth for camping, home, and travelMattress provides 4 inches of stabilized loft for the comfort of home anywhere; vertical sidewalls maximize usable sleep surfacePerfect for car camping, expedition basecamps, RVs, and boats, it also makes an excellent guest bed at homeDual valves allow compressible foam core to expand and inflate when unpacked; mate perfectly with a second mattress to create an extra-large sleeping pad for two peopleXX-Large size measures 80x30x4 inches expanded, 7x31 inches rolled, weighs 6.75 pounds; stuff sack included; limited lifetime warranty; made in the USA