Multi Function Gym Bag: Haimont Sports & Travel Duffle Bag can be converted into a backpack with comfortable backpack straps, which can be stored and hidden in side zipper pocket so no worries about messy outlook when not using them, it is also equipped with 4 grab handles and a hook & loop carrying handle for multiple carrying ways Durable & Water-resistant: Made of tear & wear-resistant PVC leather with reinforced stitches & major stress points, double-layer fabric reinforcement at the bottom, premium metal zippers with a water-resistant zipper flap features waterproof and long-lasting durability against daily activities Large Capacity Duffle Bag: Large main compartment provides plenty of room to hold your sports gear and traveling necessities, 1 large mesh zipper pocket under flap to keep light things and easy access, 1 small zipper pocket and 2 side zipper pockets to organize your small items, Haimont duffel bag backpack is available in 40L, 60L and 90L Thoughtful Design: The large D-shaped opening with 2-way zippers for easy access and pack everything you need quickly, one water-resistant ID pocket on external for personalized cards, adjustable padded shoulder straps with sternum strap make the straps can't slide backward easily and won't cause muscle strain Take It Anywhere: Haimont gym bag is easy to switch from a duffel bag to a regular backpack or a hand carry on bag; you can use it as a sports gym bag, a carry on bag, a travel bag or a daily bag, whether doing exercise, traveling or getting away for the weekend, it will help your gear being well-organized Haimont Convertible Backpack Duffle Bag with easy access top-entry dual zippered main compartment, 4 internal mesh pockets (1 large mesh zipper pocket under flap, 1 small zipper pocket and 2 side zipper pockets) to separate small accessories, you can store anything from shoes to clothes or towels for your on-the-go needs. Durable and water-resistant PVC leather material together with strong double bottom and reinforced stitches so it will never be torn at the seams, we use the high-quality metal zipper for each pocket so you will hardly meet zipper problems. Strong detachable & concealable backstrap, 4 grab handles, hook & loop carrying handle features multiple ways to carry, suitable for sports gym, vacation, travel, day hikes, and camping.