Description Highlights: Size: 79” x 28” x 3” (200 x 70 x 8 cm) Easy to transport. Weight: 6lb 6oz (2.9 kg) | Carry bag dimensions: 28” x 20” x 4” (72 x 50 x 11 cm) | Carrying bag included Can be twinned to sleep 2: join the same mattress Thermal insulation: 4 seasons of use. R-Value: 8.6 Inflation without a pump | Double valve: precise inflation and quick deflation