The Sea to Summit Travelling Light RFID Travel Wallet is lightweight, strong, water-resistant, and convenient way to keep all of your essential travel documents, credit cards, notes and coins organized and safe from the elements. Lined with RFID-proof fabric for digital credit card protection, and 30D Ultra-Sil nylon for water resistance. The durable wallet features a water-resistant zipper closure, securing internal pockets, card sleeves, and a zippered coin holder. The Sea to Summit Travelling Light RFID Travel Wallet is available in three sizes: Small includes four credit card slots and two separated bank note sleeves; Medium has seven credit card slots, two sleeves, a pen holder, a zippered coin pouch, an external pocket for boarding pass or itinerary, and can fit a passport; Large has eight credit card slots, two large sleeves, a pen holder, a zippered coin pouch, an external pocket for boarding pass or itinerary, and can fit a passport. Please note: RFID-protected products only offer protection against scanning of the very low-power signal emitted by a credit card or passport chip. They will not block a higher power radio signal, such as a smartphone or a car-key or garage remote. Sea to Summit products are guaranteed against defects in materials or workmanship for the lifetime of the product.