DescriptionAdjustable elastic drawstring design: The water bottle bag is equipped with a practical elastic drawstring that can adjust the tightness according to the size of the water bottle. This ensures a secure fit and is easy to access during travel.Back system: This bag has modular connection functionality. You can easily add compatible accessories or bags, such as small flashlights, knives, or mountain buckles, to enhance their functionality.Shoulder strap hook: This bag has a durable hook that allows you to hang the bag on your shoulder strap or backpack. This feature provides hands-free convenience, allowing you to easily access your water bottle during outdoor activities.Reinforced seams: This bag has reinforced seams to ensure durability and long-lasting performance. It can withstand tough outdoor conditions and provides reliable protection for your water bottle.Ventilation hole at the bottom: The water bottle bag has a ventilation hole at the bottom to promote air circulation and prevent moisture accumulation. This design allows your water bottle to remain dry and fresh even in humid environments.Product name: Outdoor water bottle bagMaterial: CanvasWeight: 0.15 kgColor: BlackSize: 22x8cm.