GOBIEH2O: the world"s first fully portable, reusable, zero-waste, filtered water bottle. Transforms ordinary tap-water into pure, great tasting H2o... eliminating the cost and waste of single-use , disposable bottled water. Hydrate yourself, save money, and help us to reduce our negative impact on the planet. Ergo-rubber finger loop makes it easy and comfortable to carry. Wide open mouth makes it easy to fill with ice and water for cold refreshing water on the go! The dust cover keeps the mouth piece clean and when not in use simply store in the finger loop. Fits in any standard cup holder. The oval mouthpiece design allows for a comfortable, clean experience.