Never struggle to wash deep cups and bottles again. This foam brush delivers fast, convenient cleaning by reaching into narrow and tall containers and removing residue from every corner. Key benefits Efficient cleaning: Foam head cleans deep interiors quickly, reducing scrubbing time and effort. Precise reach: Slim, elongated design accesses narrow openings and bottom corners that standard sponges miss. Gentle on surfaces: Soft foam conforms to curves for thorough cleaning without aggressive abrasion. Versatile compatibility: Works with water bottles, travel mugs, thermoses, pitchers, carafes, and similar containers. What it does and how it helps Designed for deep containers, the brush makes washing tall or narrow items simple and faster than using a regular sponge or cloth. The foam material holds soap and spreads suds where needed, improving cleaning efficiency while minimizing dripping and mess. Its shape and flexibility let you clean hard to reach spots, so you get a more complete clean with less effort. Practical use scenarios After a workout, quickly clean a sports water bottle with narrow necks and bottom buildup. Rinse and scrub a travel mug or thermos before heading out the door to remove coffee and residue. Clean vases, pitchers, and tall glassware at home for weekly upkeep or after entertaining. Additional notes Simple to use and rinse out for repeated cleaning. Suitable for a wide range of container sizes and shapes where deep, precise cleaning is needed.