Giant Loop Tillamook Dry BagThe Tillamook is an expedition sized, roll top dry bag with an integrated anchor strap system ideal for an array of vehicle based adventures. It features 48 liters of waterproof storage and seamlessly pairs with Giant Loop's Coyote and Great Basin Saddlebags, as well as our full line of panniers. Openings on both ends mean quick and easy access without having to unstrap from saddlebags, panniers, or remove from a rack. A handy air purge valve allows