WATERFLY Running Belt Waist Bag, Water Bottle Holder Pack for Phone 5.5 inch iPhone 6 / 7Plus / 8Plus Outdoor Sports Pack Pouch for Running Hiking Walking Cycling WATERFLY TECHNOLOGY: 100% three-tier taped elastic material, SBS brand zipper, YNS brand buckle. 24 lines oxford elastic cord, 3M night vision reflective system. Waterfly is devoted to manufacture high quality and fine bags for user ULTRALIGHT & ELESTIC WAIST BAG: Small volume, large capacity, close-fitting. Great elasticity and water-proof. Reflections warning guarantees safety. Comfort and softness to prevent skin friction UPSCALE WATERPROOF WAIST BAG: Great elasticity and waterproof keep your valuables dry while you exercise, large capacity design, comfortable feelings and strong stability, close-fitting when you exercise, solid and durable high quality material, compact size with high confidentiality UNBALANCED BACKPACK WEARING STYLES: Great flexibility, haversack can be used both as chest pack and shoulder bag, messenger bag, travel bag. Satchel strap is adjustable, Fit both regular and plus-size person MAKE YOUR LIFE EASY: The pack with zipper is enough to carry all your small belongings, and it also can prevent items rubbing reciprocally