Factory wholesale warm pad for foot heating patch body warmer
1.We use high purity iron powder to give sustainable heat. 2.The gum we use does not contain benzene,formaldehyde,flucpescent agent to make sure there's no harm to our health. 3.We take high quality vermiculite which has good thermal isolation performance to give long-lasting heat. 4.The non-woven fabric we use is medical grade material which is comfortable and breathable.