Hiware Drinking Straw Brush Set, 4-Piece 7.6" x 8 mm Cleaner Brush for Stainless Steel Tumbler Straws and 4-Piece 7.6" x 10 mm Cleaning Brush for Smoothie Straws

When you are a new parent, bottle cleaning brush is something you cant do away with. But thats not the only secret. A friend shared some of these tiny brushes that can be used to clean the bottle lids and other hard to reach places.