... ROHS 4.non-toxic,reusable,instant,portable Product Name:Magic Heat Pad (Health Hot Pad,Medical Hand Warmer)model:MHP22size: ... 19x11.5cmweight: 210(+/-5%)gs Heat...anywhere! Anytime! Simply flex the little metal disc, and ... effective on muscle aching, back aching, cramps, arthritis pain, tenontodynia and etc. the heat pads are a novelty exciting useful health product ...