MICROWAVEABLE HERBAL BOOTS FOR ACHES & PAIN - There are many benefits of herbal usage. Thai people have been using various kinds of herb as traditional medicine to cure many symptoms, as herbs have natural qualities of medicine to reduce body aches, sprain muscular aches and cramps. The Herbal Boots consist of Cryptolepis Buchanani, Derris Scandens Pumice and Eucalyptus Essential Oil in the 8 flannel fabric bags of a pair of the microwaveable herbal boots by heating 8 herbal flannel bags in microwave oven it for 2-3 minutes and insert each one in each pocket of the Herbal Boots before wearing the Herbal Boots. - They can keep the heat for 30 minutes. - They can be washed up by hand without washing machine. - Their lifetime are 3 months or longer time until without herbal smell.