Material: polyurethane closed cell hard grey foam, 100% synthetic yarns from virgin or recycle raw material. Synthetic sleeping mats that are made from recycle materials must not contain fillers, like calcium carbonate or any other.Dimension: 1.8 x 0.9 x 0.1 m, Area 1.62 m2Density: Minimum 24 kg/m³ (±2%)Weight: Min 3.56Kg.Load deflection: min 16kgCover: removable cover with zipper cotton or polyester/cotton canvas of 180g/m² minimum. Size: 90 x 180 x 10 cm