... /m3, 3 Used: Car, mattress,sofa,bed,chair... Name: SpongeType: Ordinary sponge, high resilience sponge, super soft sponge, super-stretch sponge, high flame ... , 7-70 unitsColor: CustomizedMaterials: Polyurethane, Polyether polyols, etc.Appliance: Car, mattress,sofa,bed,chair,cushion,pack... ONE OF THE MATERIAL... PRODUCTION ...