FEATURES Why have a G4Free gym bag-----This 40L 3-way duffle backpack is made from water & tear resistant Nylon fabric; high-quality SBS zippers with pull string; solid stitch in each stress point; enough extra compartments, durable and attractive colors, built to last and suit almost any occasion (even in some harsh environments): travel, sports, camping, hiking, or everyday life. Duffel Bag or Backpack----- All in one! Its multi-carrying ways allow for versatility between backpack & duffel bag. With adjustable and detachable padded shoulder straps (Five straps, along with a reinforced D loop handle on the top), you can use it as a backpack, sling it over your shoulder, and carry it by the two handle straps...take your pick! It’s super flexible. Size & Multi Pockets----- Measured by 23 x 10 x 12 inch (58 x 25 x 28 cm) with 40L Capacity. One huge compartment (with a mesh zipper pocket inside) with a 2-way zipper's U-shaped opening for easy packing; one Upgraded Shoes Compartment ventilated to keep your shoes and dirty gear separate (reference max shoe size: 12); One re-designed Side Pocket to hold your water bottle, notebooks, passport, headphones, etc. The front zipped pocket can hold your iPad/kindle. Take it anywhere----- Whether doing exercise in the gym, traveling by air, getting away for a weekend, or venturing across the world on an expedition, our duffle backpack helps get your gear well-organized from one place to the next. Besides, this bag comes with a Carrying Pouch. You can fold and store it without taking up too much space, or simply use the carrying pouch as a handbag. 100% Satisfaction Guarantee: We stand behind our customers all the time to ensure 100% satisfaction. If you have any questions, please feel free to contact us. DEATAILS One Shoe Compartment One Side Pocket-Shoe Compartment One Upgraded Shoes Compartment is ventilated to keep your shoes and dirty gear separate. (Reference max shoe size: 12) One Side Zipper Pocket Opposite the Shoe Compartment One Side Zipper Pocket Convenient Pocket One Re-designed Side Pocket can hold your water bottle, notebooks, keys, and cellphone. Folding Steps Step 1 Put the two adjustable bubble foam padded shoulder straps in the hidden compartment. Lay your G4Free Duffle Bag on a flat surface. Step 2 Fold all excess fabric towards the middle of the bag. Then fold the duffle bag from one side to other Step 3 Begin to zip up the duffle bag into the small extra carrying bag. Convenient to store in your luggage as a just-in-case bag.