DESIGNED FOR TENT AND FAMILY CAMPING: The weight-to-thickness ratio (3.5lb-2inch) makes this sleeping pad suitable for car and family camping. This inflatable sleeping pad is comfortable enough to make you sleep longer in your sleeping bag. THICK AND COMFORT: 2 inch thick high rebound foam provides superior back support and insulates against the cold ground. R-value of 5.7. The wide and long foam ensures enough coverage under your body. NO GAP BETWEEN SLEEPING PADS: Multiple air pads can be connected together horizontally and vertically (stack up). Horizontally connect sleeping pads for family, couples, and group camping. Vertically stacked up sleeping pads are suited for extra back support.