Features Enter your model number to make sure this fits. You will carry a reasonable travel goods, household items, work items, entertainment items placed classified Waterproof performance, prevent cut travel 100% refund if not satisfied. Shipping time: 8-12 working days please contact us if there is any question. Description Product Description Capacity: 20L the following Material: 100% nylon carrying system: Other Origin: China for Gender: Unisex application scenarios: running package Capacity: 5L / send 2L Hydration if equipped Covers: No if there kettle reserved positions: yes goods series: running series If you are looking for a versatile and stylish backpack, then this product is worth for your close attention. It has the following main features 1. High-quality backpack waterproof, wear-resistant. 2. light weight, suitable for vacation, travel, camping and other occasions. 3. Be easy to carry, the whole breathable mesh straps, high-quality two-way zipper. Comfortable for carrying. 4. Excellent material, resistant to high temperature and pull, no pressure to support heavy staff, difficult to damage. About Return Policy: If you are not satisfied with our product or there is any other question, let us know as soon as possible and we will reply it within 24 hours. If it is our mistake, we will fix it and give you a satisfactory solution. If you recognized our product and service, please do not forget to leave 5 stars positive feedback, we will appreciate your encouragement very much.