This sports backpack is made of waterproof nylon material, which is wear-resistant and tensile-resistant. Fold it and put it into a storage bag, so you can take it with you. The shoulder straps are soft and breathable, fit the body, comfortable and dry. The large-capacity backpack has mesh pockets on the sides and storage pockets on the front. It has high-quality zippers and is equipped with an independent water bottle pocket to improve your happiness when traveling outdoors. Welcome to call or email for inquiries.