Aventik High Grade10 Pockets Fly Fishing Leader Wallet Leader Case Tippet Storage for Fly Fishing Aventik 10 clear pocket leader wallet is perfect for storing leaders and tippets. Quality clear pocket size: 4X4 inch/10X10 cm, fully opened size:10X5.12 inch/25X13 cm. 10 sleeves enough to store your leader. Made Polyethylene of material, it is waterproof and durable. Keep your lines and leaders dry and organized. Saltwater-safe construction. With velcro closure to open and close. One of the best leader pocket in the market.