1、The portable feature allows your body to always be by your side when it needs to be hydrated during exercise. 2、TPU food‑grade waterproof material, environmental protection and safety, no peculiar smell, anti‑wear and corrosion resistance, and does not contain any harmful substances such as BPA. 3、Large‑caliber lid allows quicker water filling and easier cleaning. 4、Ergonomic S design is easier to open the lid, and there is a silicone waterproof ring inside the lid. 5、The handle ring conforms to the human hand design, and it is more labor‑saving to fit the contour of the hand when using it. The direction of the bracelet can be adjusted according to the usage habits. 6、Quick water removal seat, easy to remove the water pipe, easy to clean, and effectively avoid water leakage. 7、Marked with a prompt scale, to avoid the worry of not tightening the water leakage and screw the cover. Convenient to know the amount of water to carry and replenish at any time. 8、Sporting outdoor drinking bag, cycling, hiking, hiking, picnic with it, the water bag can withstand ‑20 to 50℃, and can resist temperature changes in hot and cold weather, can be used in all kinds of environments. You can also put large ice cubes in a water bag to keep the water cool. Item Type: Water Bladder Material: TPU+PVC Color: As Pictures Shown Product Size: Approx. 40.5x21cm/15.9x8.3inDrinking Pipe: approx. 95cm/37.4in Weight: Approx. 234g/8.3ozProduct capacity: 2L Suitable for water temperature: -20 ℃ -50 ℃ Do not infuse drinks, milk and boiling water. How to use: Open the irrigation cover, pour warm water appropriate amount, close the irrigation cover and tighten, open the water stop valve of the water pipe, open the dust plug, put the water outlet in the mouth and bite the water outlet with teeth, you can inhale water at any time. How to clean: Rinse the bag all over with warm, soapy water. If this doesn't work, use a solution of 1/4 dry soda and 3/4 water and shake well for 30 seconds. Add 1/4 lemon juice and shake well for 10 seconds. Repeat three times to drain as much air as possible, soak for 20 minutes and rinse with warm water three times. (Caution: when adding lemon juice to dry soda, it causes bubbles and negative pressure. How to remove water bag odor: Water bag itself material is made of food grade, with environmental protection and anti-mildew, material and through the international SGS standard certification is non-toxic, why people first use water bag more or less will feel a little smell? That is because water bag is plastic goods to be in store carry, in saving process or with other goods shipment absorbs a bit of flavor of other goods, you want to use tea only, lemon juice or brine bubble 20-30 minutes, reoccupy clear water is rinsed net, peculiar smell divides namely. 1 x Water Bladder