Ideal for drying out wet boots, gloves, salopettes and jackets, or any other winter footwear and equipment without using potentially damaging heat sources, Boot Bananas Winter Sports Moisture Absorbers are specially designed banana-shaped fabric sacks filled with super-absorbent silica, which can dry wet footwear in as little as 4-6 hours. Each banana can absorb up to 40% of their weight in moisture. After use these handy sacks can be easily regenerated by drying them out in natural sunshine, on a radiator, or in a moderate oven for 1-2 hours. Boot Bananas Winter Sports Moisture Absorbers are fragrance-free, and each twin pack includes an adjustable leash, which allows the Bananas to be used over a range of items. Boot Bananas Winter Sports Moisture Absorbers come in airtight packaging suitable for storing them when not in use.