Product Name: Hiking Cross Country Backpack Running Sports Water Bag Cycling Equipment Package includes: One bag + One water bag Product fabric: Nylon Product features: light, comfortable, non-slip, durable, waterproof Design: explosion-proof zipper, strong and durable; hardware zipper, smooth and easy to pull; personalized belt buckle and shrink buckle Suitable activities: work, travel, cycling, sports, climbing, hiking, etc.