420D NylonPlus Recycled Ocean Waste Nylon Crinkled Nylon 1680D Heavy Duty Polyester Durable Water repellent Opti water repellent zipper Water bottle compartment Up to 15-inch internal laptop compartment Separate zippered 15-inch laptop / padded tablet compartment Internal multi-function slots Elasticated bungee system for external storage Can be inserted to luggage trolley Detachable padded adjustable shoulder straps 3 ways: carry as backpack / duffle / hand carry Vegan Item cannot be shipped to P.O. Boxes