OH!SIP. is more than just a drinking straw. We’ve designed it to be a smart, convenient water filter - just fill up your cup or bottle and let our straw do the rest. The best part? OH!SIP. comes in a variety of attachable flavors, so you can transform plain water into your favorite drink. Our unique design ensures that each sip is cleaner, better-tasting, and more refreshing, so you can stay hydrated without sacrificing taste.