... :CE/SGS/MSDS/ROHS 4.non-toxic,reusable,instant,portable Product Name:Xmas Tree-Instant Hand Warmer ,Reusable Hot Pack,Heat PackOur colorful ... be used in many different ways.1>used as pocket hand warmer.2>It can be inserted into the earmuff to ... metal piece inside the pad,the magic handwarmer will give instant heat up to approximate54o-57oC.The product could be used ...