- Package includes: 1 soft flask (250ml/8oz) for hydration on the go. - Made from food-grade TPU (thermoplastic polyurethane), this flask is BPF-free, ensuring it is safe for your health. Its lightweight design makes it easy to carry, while the super soft and durable construction ensures long-lasting use. - Ideal for water temperatures between 0-60℃. Please avoid placing it in the freezer compartment. - The foldable design allows the flask to collapse to a compact size, making it convenient to store in a backpack pocket when empty or full. - Features a durable bite valve with a dust cover for hygiene. Simply nibble or pinch the valve to easily dispense water, providing quick hydration during activities. Use scenarios: 1. Perfect for runners looking to stay hydrated without the bulk of traditional water bottles. 2. Great for hikers who need a lightweight, space-saving solution for carrying water on trails. 3. An excellent choice for travelers who want a portable hydration solution that fits easily into bags or luggage.