There is no secret here: this is the greatest bag on the market and 100% smell proof. This very large duffle bag, The Cleaner or what we like to call it “the 10-pound bag” has our revolutionary locking system, making no two bags keyed alike. Coupled with our smell proof zipper and treated smell-proof carbon lining, travel confidently and confidentially on all your adventures. The smell-proof Cleaner is now in water resistant Black, Camo, & Green.