The Narrow Mouth Loop from the American brand Nalgene is a drinking bottle from which you can easily sip while you are busy. This water bottle is designed for the true outdoor fanatic. These drinking bottles have a compact mouth so that you will not quickly spill your drink over you. Nalgene water bottlers are easy to clean and can be used all the time, so you can use this drinking bottle for years to come. The bottle cap fits perfectly into the bottle, so you don't have to worry about the bottle leaking.