spring mattress furniture/mattress furniture/bed mattress Thefeature of thisitem as below : 1.Simple classic design, special gift for those who need economic mattress. 2.continuous spring provides high elastic suport. 3.The spring construction allows air to flow freely, giving an agreeable sleeping climate. 4.Reversible. Use both sides to keep the mattress fresh and prolong optimal comfort. The inner structure of thisitem as below : 1.fabric cover : Combined Fabric, with 2cm 25kg/m3 quilted foam 3.no-weavon fabric, 320g/m3 pk cotton and plastic net 4. continuous spring: 18 cm (H), wire guage : 2.2mm. 5.320g/m3 pk cotton and plastic net 6.Bottom fabric : Combined Fabric, with with 1.5cm 25kg/m3 quilted foam Fire-resistant Treatment: CFR1633,BS7177,BS5852(Optional) Packing detail: After vacuum compressed,wrapped kraft paper,wooden frame. SIZEQUANTITY/40'HQ39"x75"x9"39654"x75"x9"28860"x80"x9"25276"x80"x9"21672"x84"x9"216 Warranty: 15 years of quality warranty. Material Option: Fabric : knitting fabric, Jacquard/damask fabric,combined fabric, velvet fabric, flannel fabric, poly fabric... Comfort material: normal foam, memory foam, Polyurethane foam,latex... Spring: bonnel spring, superlastic continuous spring, pocket spring, box spring... Notice: we are pleased to produce product according to your requiremnt ! ro