Material and Safety Made from BPA silicone and TPU (thermoplastic polyurethane) for durability, flexibility, and safe use. Designed to resist wear and tear in demanding conditions. bottles may have a slight odor; to reduce this, rinse before first use with rice water, green tea, sugar cubes, or vinegar. Washing with baking soda is also recommended. Suitable for temperatures between 0 to 40°C. Comes with a dustproof cover to keep the drinking area clean. Size Options for Any Activity 5 oz: Ultralightweight, ideal for quick hydration and energy replenishment during long or demanding activities. 8 oz: for short runs or workouts where you need just the right amount of water. 17 oz: Designed for extended outdoor activities, including long trails, hikes, or endurance sports. Easy Hydration for Everyone Innovative mouthpiece design releases water when chewed, making it easy to drink even with minimal suction strength. Suitable for all ages, including elderly users. for sharing water with companions or for cooling yourself by pouring water over your body. Comfort and Performance Constructed from flexible, soft materials that fit comfortably in your pocket without creating bulk. Compresses as you drink, reducing water movement and eliminating splashing or shaking. Transparent design allows you to easily check remaining water at a glance. Practical Applications Trail running: Stay hydrated without carrying excess weight. Hiking: Lightweight design fits in backpack pockets and compresses as you drink to save space. Outdoor sports: Share water easily or cool down during intense activity.