The Boot Dryer by Dry Zone is Effective, Easy-To-Use, Heat-Free, Safe, Economical, and Lasts For Years. Effective.. The powerful drying action of Dryzone Boot Dryers cuts the drying time of wet boots. With Dryzone you can dry your boots overnight. Without Dryzone Boot Dryers you could only hope your boots would be dry in two, three or even four days. Easy-To-Use.. Dryzone Boot Dryer fits any shoe, boot or glove. Dryzone crystals dry without electricity. Simply slide the Dryzone Boot Dryer into your boots for a few hours. Voila -- dry boots! Heat-Free.. Dryzone Boot Dryers work without electricity. The unique drying crystals do the job without power. Safe.. No heating elements, no power cords. With Dryzone Boot Dryers, you simply insert the Dryer into the footwear--there is no need to monitor the progress. There is no chance of damaging your gear with heat and is ideal for boots with custom molded foam liners. Economical.. No power required. With simply, periodic regeneration the Dryzone Boot Dryer will last for years. Buy footwear less often by extending the service-life of your footwear through proper care which includes drying them as needed. Last For Years.. No moving parts, no batteries, no heating elements to fail. The simple process of periodic regeneration of the Dryzone Boot Dryer is easily accomplished in minutes with either a microwave, radiator or heat vent. The award winning Dryzone Boot Dryer quickly absorbs moisture from your boots which improves your comfort, prolongs their life and reduces the likelihood of mildew forming.