- Quadruple Cleaning Mode: This versatile brush features four specialized cleaning modes tailored for various stains. The right angle ball brush head effectively targets stubborn stains on the bottom and walls of cups. The gap bristles brush is designed to clean narrow grooves, making it ideal for baby bottle nipples. The U-shaped soft rim brush tackles tough stains around the cup rim, while the hard bristle corner brush reaches dirt in corners and grooves of containers. - Right Angle Brush Head Design: The unique right angle brush head allows for efficient cleaning of hard-to-reach areas. Perfect for a variety of containers such as baby bottles, sports bottles, beer bottles, wine tumblers, long cups, vacuum mugs, travel bottles, beer growlers, vases, and coffee pots. - Retractable Long Handle: The cup brush cleaner features a convenient retractable handle that extends from 11 inches to 13 inches, making it easy to reach deep into bottles and glasses for thorough cleaning. - Convenient Storage: This water bottle scrubbing brush set is designed for easy storage. The brush includes a hanging hole at the tail for simple hanging in a kitchen caddy or on hooks. Additionally, the brush set is dishwasher safe, allowing for effortless cleaning and maintenance. Use scenarios: 1. Effortlessly clean baby bottles to ensure they are free of hidden dirt and stains. 2. Maintain your sports bottles and travel mugs, keeping them hygienic and ready for use. 3. Easily tackle stubborn stains in vases or coffee pots, ensuring your drinkware looks its best. This product combines functionality, compatibility, and performance, making it an essential tool for effective cleaning.