Mattress description: (1) Size:Single: 99x190x25cm; 39"x75"x10"Double: 137x190x25cm; 54"x75"x10"Queen: 152x203x25cm; 60"x80"x10"King: 192x203x25cm; 76"x80"x10"(2) Box packing: quantity in 40"HQ: K(305pcs); Q(374pcs); F(431pcs); T(530pcs)(3) Barrel packing: quantity in 40"HQ: K(480pcs); Q(560pcs); F(704cs); T(968pcs)Composition(4) High qualityknitted fabric, it is improted from Germany, environment and strong breathability, dust resistant, anti-mite function, no static electricity. Safe and health, soft and comfortable, green environmental protection standards.(5) Pocket spring (Individual in-bag spring)inside: 20cm, Ø2.0, the pocket spring in the top is supported independent, compressed and resilience party. No disturb, reduce friction, minimize noise; enhance resilience, support perfectly. The body with mattress is entirely fitting, support the vertebrae, keep the body comfort and smooth.(6) ISO 9001 : 2000(7) 15 years guarantee(8) US and UK fire retardant standard both are available(9) This product can be rolled up, carton packing, it's popular with Supermarket and Onlineshopping.