... below body temperature 6-7 2,PCM 3,cool effect is obvious within seconds 4,10000 times ... ice cushion product descriptionName of the product cool cushion Material surface: PVC composite special fabrics ( ... 2, In case of cold for the old ,baby and valetudinarian, cotton cloth is needed to put ... fridge ,next to the air-conditioner or other cool places to make the product crystallize. The surface ...