Trailside TrailRest Self-Inflating Mattress, 74x21.6x1.2-Inch/Regular Fully bonded foam-fabric construction High-flow air valve for rapid inflation and deflation Comes with a stuff sack, web straps and repair kit Measures 74 x 21.6 x 1.2 Inch (188 x 55 x 3 cm), 3 R-Value Weighs 2.9 pounds (1.3 kg)