The Megamat has gathered a bit of a reputation. It is at home in a base camp, car, or any use where weight doesnt matter but sleeping comfort does. This model is shaped to give space for the wheel wells of a van or large car. Self-inflating construction: when you arrive at camp, you simply roll the pad open and open the inflation valve - the pad then begins to suck in air as the filling foam returns to its original shape. - "Auto" size: 197 x 104 x 10 cm - The R-value describing the insulation is exceptionally high: 8.1, ie the platform works even directly on snow or ice if necessary - Insulation fiber 16kg / m³ polyurethane foam - All materials are Oeko-Tex 100 certified - Convenient packing bag with shoulder strap At home, it is advisable to keep the self-inflating pad rolled open and with the valve open. This way, the foam filling retains its loft for years and years.