Hot sale Memory Foam Mattress 1.sweat absorbent, ventilated 2.environment friendly 3.Widely used ... but that its special advantages.2.Hot sale Memory Foam Mattress Physical CharacteristicsDensity(kg/m3)80 - 90Hardness(asker c)40 - 60Tension ... :Our products are mainly used in shoes, shoe insoles, pillow, mattress,garment, cases and bags, sport equipments and kinds of cushions ...