The Collapsible Water Bottle is perfect for on-the-go hydration. The bottle holds 500ml of liquid, so you can stay hydrated during long days out and about. The bottle is made from durable, food-grade silicone that is 100% BPA-free. The silicone construction is also drop-proof and flexible, making it ideal for active lifestyles. The bottle has a wide mouth design for easy filling and a secure seal to prevent leaks. The included aluminum carabiner makes it easy to attach the bottle to your backpack or sports bag.