Sleeping pad designed with pressure mapping technology for comfort in all the right places Convenient TwinLock valve provides lightning-fast inflation and deflation with two dedicated valves 6 R-value means the LuxuryMap offers year-round insulation for campers Premium foam is more supportive or plusher in key areas thanks to Therm-a-Rest pressure mapping technology For best performance, inflate your self-inflating pad with air by breath and leave the mattress fully inflated for 2-4 hours before your first use Measures 72x20x3 inches inflated, 21x9.5 inches rolled, and weighs 3 pounds 4 ounces; stuff sack included; made in the USA