Come and see our amazing products. Water Bottle Holder Design: Bottles not included. The bottle holder contains an adjustable elastic rope, which can keep your bottle stable and safe while running or jogging, prevent bouncing and falling out. Night Reflective Design: The reflective part on the bag is very bright at night, can enhance security visibility, escort night running. And with a multifunctional metal pull ring, can hanging pet rope. Adjustable & Personalized Fit: Fully adjustable strap. Elastic waistband - The tension is moderate and fits the body better. Can keep your Mobile, keys, wallet your cards, cash etc. perfect for carrying Security and theft-proof, let you feel more at ease in sports. Pls confirm further with us if any query about packing info, inventory status and time schedule.