Self heating paraffin wax. Thermowax™ Technology instantly heats paraffin to ideal working temperature in 10 minutes, providing a hygienic, personal & disposable solution. With one pull of a tag, minerals and water blend to create an exothermic reaction, heating and melting the paraffin wax in the mitts and booties. Enriched with Vitamin E and a delicious peach scent. Sold in a pair.