... 45-62 celsius degree last at least 12hours Hot Pack, Hot bag, Heat pack, heat bag, Hot pad, Use to keep warm when you ... cold weather, or pain parts, foot etc. 1.Body use, adhesive 135x95mm, keep temperature average 52 celsius degree, Max temperature 62 ... , 1pc/polybag, 10pcs/middle bag, 300pcs/carton 2. Foot use, adhesive, 90x70mm, keep average temperature 37 degree, Max 45 degree, last ...