Most cleaning brush sets include a long bottle brush plus a thin straw/detail brush. Some sets also include nipple or extra detail brushes, a draining stand or vase, and replaceable brush heads for easier upkeep.
Small brushes are commonly made from plastic, nylon, polypropylene, stainless steel, and wood.
Small brushes are used across many surfaces and tasks, including cookware, tubs, sinks, car tires, glassware, reusable water bottles, food processors, sippy cups, and baby nipples and pump parts.
Features that improve reach include long handles, 360-degree bristle coverage, flexible necks, silicone detail cleaners, and dedicated thin/detail brushes for narrow openings.
Common storage and drying solutions include upright stands or vases with drainage pour spouts and brushes with hanging holes so they can air-dry between uses.