The black-colored EXOTAC tinderZIP is one of those products you can't afford to not buy. It's simplistic in design and outstanding in utility. These zipper pulls has an inner core that is waterproof, highly flammable and super easy to ignite. The great thing about replacing your current zipper pulls with these is that you will always have one of the critical components in making fire. Be sure to throw them on all your gear from jackets, to organizers, to backpacks or anything else that has a zipper. Each pack comes with 5 zipper pulls to use as you please.