Waterpik Cordless Plus WaterflosserPortable water flosser is ideal for travel and small bathrooms Clinically proven to be more effective than string flossing for reducing plaque, gingivitis, and gum disease In handle dual pressure control lets you personalize the water pressure intensity Ergonomic design with 360 degree tip rotation makes it easy to access hard to reach places Easy to fill water reservoir boasts a 210mL (7oz) capacity for 45+ seconds of use with a flow rate per minute