Great for any outdoor adventure! With the wide opening design, you can easily fill it with water and even add ice cubes. Therefore, you will have ice cold water when it is hot out during your adventures. The water pipe is detachable which makes it easier to pack during travel. There is a lock in the outlet valve. Therefore, you need to open the cover and pull out the mouthpiece. As soon as you bite the mouthpiece, the water will come out. With this type of set up, you do not have to worry about leaks. The hydration bladder is FDA approved! The main body is made of EVA and all the materials are food grade. Therefore, it is healthy and safe, so you have no worries. A must have for any outdoor enthusiast!