... in cloth Usage: Cold application: Put the eye / facial mask into refrigerator to refrigerate for an hour before taking out ... the eye when used. Hot application: Prepare eye / facial mask for hot application by following heating instructions. (Microwave or Hot ... hot packs, hand warmers, instant heaters, cold insulating agents, Ice King, blue ice, eye masks, fillet, masks, belts, insole, wine-covers, ...