Size: 41cm*31cm*19cm / 16.1inch *12.2inch*7.47inch
1):Big Capacity:25L, you can put in shoes, swimsuit, swimming goggles, dry clothing, books, phone, wallet and so on.
2): Waterproof, you can take the bag to beach, pool, hiking, camping and other outdoor activities.
3): Zipper bag, easy to put in and take out stuff.
4): Wide strap: comfortable on shoulder
5): Light weight and foldable.