Simply fit the small heaters into your wet boots, plug 'em in and rest easy knowing they'll be dry and toasty warm for your next adventure Easy to use and small enough to pack away in your gear bag, these are great for multi-day trips Plug into 110v outlet for noise- and odor-free operation Not only do they alleviate perspiration and wetness in ski and snowboard boots, but also work great in cycling shoes and hiking boots

Dimensions: 1 x 6 inches