3 EXTRA POCKETS -- This drawstring backpack has one main compartment and three small pockets. The inside of a small zipper pouch is a watertight PE film, which avoids water from wetting the internal items, and you can put your cell phone in it. The front zipper mesh pouch can hold small items, such as sunscreen, keys, and glasses. The small drawstring pouch can hold a water bottle, which allows you to replenish water after exercise.ADJUSTABLE STRAP & LARGE CAPACITY -- Our swim bags for swimmers have adjustable shoulder straps that can be adjusted to fit your different needs. Moreover, the backpack design is more convenient, so that your shoulders are more comfortable. This mesh gym backpack measures 18.9 * 13.7 inches and is made of High-Density Oxford, can hold towels, clothes, workout gear, gym gear, swimming gear, sports gear, beach items, and more.DRAWSTRING CLOSURE & BREATHABLE -- This gym backpack for men and women has a drawstring closure, making it easy to take out the items in the sports bag without letting them fall out. There are metal rings added to the drawstring part to make them more sturdy. The mesh design is more breathable and won't leave an unpleasant smell in these gym bags for men, allowing you to have a better sports experience.MULTI-FUNCTIONAL -- Our sports backpacks are suitable for many occasions, such as gym, sports, swimming, beach, basketball, football, travel, sports, etc. The drawstring gym bag is perfect as a gym bag, swim bag, pool bag, basketball bag, soccer bag, or beach gear bag. This draw string back bag also makes a good workout gifts for swimmers, men and women. There is also a handle to hang the beach backpack on the hook for easy storage.STURDY & MACHINE WASHABLE -- The sports backpack for men and women is desired for all seams to be reinforced with bias tape, and the X stitches on the joint part make the shoulder strap strong. The fabric of our workout gear bag is also made of rip-proof material so that the sports backpack is sturdy and can be used for a long time. These gym accessories can be Machine Washable to save you time and it dries quickly, recommend mild detergent and Hang to Dry!