... ; 3) OEM welcomed Hot Cold Gel Pack Also known as: cold hot pack, gel pad, gel pack, compress pack, microwavable hot cold pack, etc. MaterialPVC, PE+PA or ... ' requestDesignCustomizedPrintingsilk screen print or offset print Packagingpolybag or customized ( PVC bag, paper box, PVC box, clamshell or other packaging) Application: COLD ...