Water Bottle Holder Design, the water bottle holder includes an adjustable elastic cord that keeps the water bottle stable and secure while running or jogging, preventing bouncing and dropping. The water bottle cage for hiking adds a reflective strip to the side of the multifunctional pocket and buckle. The design will be clearly reflective in the light. Provides greater safety for you when running at night. Perfectly fits waists from 25'' to 47'' inches with a fully adjustable back strap. Soft and breathable back mesh padding for your waist. There is a zipper main pocket for phone up to 6.7 inch screen, the front pockets are designed to store keys, credit cards, keys, tissues, energy bars to avoid scratches on phone screen, and an earphone hole for enjoying music while running.