Our camper-designers designed this extra thick Ultim Comfort self-inflating mattress for those campers who want the comfort of their own home. Sleeping comfort: Sizes: 200 x 70 x 8 cm | Flat, smooth sleeping surface Easy assembly/dismantling: Inflation without a pump | Double valve: precise inflation and quick deflation Easy to transport: Weight: 2.9 kg | Carry bag dimensions: 72 x 50 x 11 cm | Carrying bag Thermal insulation: 4 seasons of use. R-Value standard ASTM F3340-18: 8,6 Durability: Mattress approved to withstand at least 200 inflation/deflation cycles Compatibility: Can be twinned to sleep 2: join the same mattress Quiet: Less creaking noises when you move around during the night Note: Maximum recommended weight: 242.5lb. Do not use in the water.