Drysure Extreme Boot Dryer - No Heat or Electricity Needed To Dry Your Skiing, Snowboarding, Motorcycling & Work Boots NO ELECTRICITY OR BATTERIES: Dries boots and shoes without a power source. No cords, heat, or electricity required FAST AND EFFECTIVE: Proven 12x more effective than air-drying. Simply insert. Dries running shoes in 4-6 hours; dries ski boots or snowboard boots overnight SAFE FOR ALL SHOES/BOOTS: Wont damage leather and other expensive materials unlike heated boot dryers. Increases footwear lifespan by keeping interiors dry. Perfect for use with heat-sensitive, custom-molded foot beds DEODORIZING: Stops fungus, bacteria, and related odors in ski or snowboard boots, work shoes, golf shoes, running shoes, and more. Improves hygiene by reducing fungal growth REUSABLE: Easily reactivate after 10 uses by removing outer shell and placing in direct sunlight or on warm radiator; or warm on middle shelf in fan-assisted oven for 1-2 hours at 100C (212F) Unlimited Free Two-Day Shipping Instant streaming of over 40,000 movies and TV episodes A Kindle book to borrow for free each month - with no due dates Over a million songs and hundreds of playlists