The Waterpik Cordless Slide Water Flosser, WF-16 is the go anywhere, store anywhere water flosser. Tested and trusted, Waterpik is the #1 water flosser brand recommended by dental professionals. From the first brand in its class accepted by the American Dental Association (ADA) for safety and effectiveness, the Waterpik Cordless Slide Water Flosser removes up to 99.9% of plaque from treated areas and is clinically proven up to 50% more effective than string floss for improving gum health. With a collapsible design that slides to half its original size and is 30% smaller than other cordless water flossers, the Waterpik Cordless Slide is a great solution when you need a compact water flosser that stores and travels easily. It can be stored standing up or lying down - saving space for storage at home or when traveling. Great for travel and small bathrooms, the Cordless Slide Water Flosser features global voltage, a rechargeable battery for up to 4 weeks of use from a single charge, ultra quiet operation, and a waterproof design for use in the shower. The Cordless Slides comes with 3 pressure settings to customize your cleaning and 3 precision tips that clean the whole mouth, even back teeth.