Brush bottle cleaner Effectively removes stubborn stains such as tea stains and kettle water stains. Convenient for cleaning tea stains and works well with bottle brushes to enhance cleaning performance. Bottle scrubber Suitable for all kinds of cups and bottles. A practical cleaning brush for daily use and versatile cleanup tasks. Scrub brush for bottles Designed to reach the bottom of bottles, making stain removal easier. Useful for cleaning water bottles and other bottles with hardtoreach areas. Bottle scrub brush Lightweight, reusable, flexible and compact. Slim design supports longterm use and easy handling in tight spaces. Thin profile helps access narrow openings. Use scenarios Clean daily water bottles and cups after workouts or travel, removing residual stains and odors. Remove tea stains from cups, teapots, and kettle leftovers to restore surface cleanliness. Clean bottles with narrow necks or hardtoreach bottoms, such as sport bottles and travel mugs, with ease.