While originally intended for use with Finsport's ultra-handy Fly Wallets, these velcro-bound refill leafs each feature 6 heavy-duty watertight clear press-to-seal poly bags that ensure contents stored inside stay dry, neatly organized, and always at the fast ready for use! A proven favorite for toting everything from freshwater and saltwater streamer patterns or long winged tube flies, spare leaders and sink-tips, smart phones or key fobs, and so more, Finsport's rugged tough Zip Seal Poly Bag Refill Leafs are sold in matching sets of two!