RITE IN THE RAIN PRODUCTS: Durable Monsoon Field Wallet fits one Mini-Staple Notebook, up to three On-The-Go Notebooks, & an All-Weather Pen. 3 INTERNAL SLOTS: Holds up to 9 cards. INSTRUMENT SLEEVE: Use the elastic internal instrument sleeve to hold your favorite Rite in the Rain writing instrument. CUTAWAY INTERNAL SLOT: Hold your cash secure with the internal slot. EXTERIOR CLOSURE: Use the elastic wallet & notebook closure to secure your notebook and hold your wallet shut tight when not in use. MINI NOTEBOOK STORAGE: Store your mini notebook on the outside in the exterior pocket for instant access. RUGGED TPU FABRIC: Tough fabric will survive any pocket or pack for years. COMFORT: The low-profile construction and smooth material make for a comfortable Every Day Carry Wallet.