... : a) Medicare available for hot or cold compress easily and conveniently b) Necessary as a first-aid for every family ... therapy for traumatic hemorrhage, heatstroke, itch, headache, strain, scald and fatigue d) Hot compress: alleviate rheumatic pain, neural pain, sciatica ... 60 seconds when be used continuously.material:PVC for outside and gel insideNote:any color are available, custom design are ...