... Density from 6-40 kg/m3, 3 Used: Car, mattress,sofa,bed,chair... Name: SpongeType: Ordinary sponge, high resilience sponge, super soft ... -70 unitsColor: CustomizedMaterials: Polyurethane, Polyether polyols, etc.Appliance: Car, mattress,sofa,bed,chair,cushion,pack... ONE OF THE MATERIAL... PRODUCTION LINE THE ... AND WIDTH IS AS CUSTOMER'S REQUIREMENT SPONGE USD FOR SOFA,BED, CHAIR...