- Package includes: Two 250ml (8oz) soft flasks for hydration on the go. - Material: Constructed from food-grade TPU (thermoplastic polyurethane); BPF-free, ensuring safety and lightweight durability. Soft and resilient, these flasks are recommended for water temperatures between 0-60℃. Do not freeze. - Foldable Design: The collapsible design makes these water bottles easy to transport, whether full or empty. They can be conveniently folded into a compact size, fitting easily into a backpack or pocket. - User-Friendly: Features a durable bite valve with a dust cover. Simply nibble or pinch the valve to dispense water effortlessly. Practical Applications: - Ideal for runners, hikers, and outdoor enthusiasts needing a lightweight hydration solution. - Perfect for travel, as the foldable design saves space in your luggage. - Great for daily use at the gym or during sports activities, providing easy access to water. These soft flasks combine convenience, safety, and innovative design, making them a must-have for anyone looking to stay hydrated without the bulk of traditional bottles.