Protect your books, maps, toiletries, or other smaller items. The perfect solution for organizing your tank bag, these bags feature a water resistant YKK zipper, so you can store them just about anywhere. Made of strong 30-D Sil Cordura Nylon Rip-Stop. Each bag comes folded up in its own tiny plastic jar about ¼ size of your palm, and weighs less than an ounce. Assorted Colors.