H2-In-1 Bottle Cleaning Brush: Bottle Brush With Hidden. Removable Straw Brush for Thorough. Clever Cleaning of Water Bottles. Thermoses. and Drink Tumblers. Dual-Function Bristles: The Long Bottle Brush Head Has Two Types of Bristles for Gentle Cleaning and Serious Scrubbing. Soft Black Bristles Are Gentle Enough To Wine Glasses and Crystal Without Scratching. While The Stiff Blue Bristles On The Tip Are Firmer. Give The Hard-To-Reach Corners and Bottom of Bottles A Serious Scrub. Flexible Mini-Brush: The Flexible Mini Brush Tackles Straws. Spouts. and Hard-To-Reach Crevices. Twist N Hide Straw Brush Nests Hidden Inside The Brush Handle When Not In Use. Versatile: This Bottle Cleaning Brush Is Great for Scrubbing Cleaning Your Water Tumbler. Beer Bottles. Kombucha. Wine Decanter. Hummingbird Feeders. Narrow Neck Water Bottles. Coffee Travel Mugs. Baby Bottles and Other Sports Bottles. Convenient Storage: A Convenient Hanging Loop Helps Keep The Brush Tucked Tidily Away When Off Duty. Dishwasher Safe So You Can Throw In The Dishwasher Every Now.