HIGH QUALITY: Duffle Bag is made from highly rip and water resistant nylon fabric with minimal weight. Durable abrasion resistant SBS metal zipper with pull string will not break on you LARGE CAPACITY & EASY TO STORE: Extend to (55 x 22 x 30 cm) with 40 Litres capacity. Folds Up super small to: (20 x 20 cm) . Perfect for easy storing in any size gym locker, and taking with you as an extra Just-In Case bag EASY TRANSPORT: A back strap allows bag to slide over the luggage upright handle tube for easy transport. Fold away into small Sandwich Size for storage---no extra fees, and unzip it when you reach your destination. Simply unfold from your luggage and use it as a carry on for your excess baggage NOT JUST A TRAVEL BAG: You can easily convert this sports bag into a mini shoulder bag/crossbody bag. With a front and back zipper pocket, it can hold some small items, such as key rack,bank card pouch,wallet pouch and cellphone A MUST HAVE FOR HOME & OUTDOORS: Use at home to store and carry your sports gear or other large items for an organized lightweight travel experience