tem No. BDWM Item Name. Heat Patch Material Non-woven fabric.Release paper Patch Size 8*10cm,10*13cm Packing Details 1 piece/bag       Main Ingredients Iron powder, wood powder, active carbon, water, salt, vermiculite, etc. Indications Can be used by athletes, outdoor enthusiasts, sportsmen,skiers, construction workers-anyone who hates cold weather. ODM&OEM Available, customized as per customer's specific.  Customers can have their own brand logo on the packing.