Our Alpha Gamma design Duffle Bag is tough enough for baggage check, yet perfectly proportioned and light enough for the gym. The fabric is tough 600 Denier bonded to a waterproof coating on the underside for added protection of your belongings. Roomy and wide with a large interior mesh pocket, exterior zippered pocket, adjustable and detachable heavy-duty shoulder strap, wide carry handles, and a reinforced base. A Gift Idea for Him or Her, Kids or Adults!