Multiple sizes: 5 pack bottle brushes include 15" x 2.5" sparse top brush for beer bottles, 14.7" x 2.5" dense top brush for water bottles, 14.5" x 1" long brush for narrow neck bottles, 11.5" x 1" short brush for lids and 10" x 0.2" cleaning brush for straws. Not easy to break: The bottle brush handles are much thicker and sturdier than others, so they are not easy to break off. Their ergonomic design provides a comfortable and easy grip for better handling. More durable and sturdy: The bottle cleaner brushes are made of nylon bristles, which are more durable than other PP material. The bristles are fixed with thicker stainless steel wires, which are not easy to bend. Excellent cleanliness: The 14.7" dense top brush adopts a technique of binding, the top bristles are more dense than others. It is suitable for wide bottle necks, as it can clean the bottom of the bottle easily. Multi-purpose: The 15" sparse top brush is suitable for beer bottles, narrow-mouth bottles, tumblers. The 14.7" dense top brush could clean the bottom of the bottle easily, so it is suitable for water bottles, sport bottles, thermos, jars, glasses, mugs, and more. The 14.5" long brush is suitable for narrow bottles, wine glasses, long neck bottles, etc. The 11.5" short brush is suitable for lids, caps, small bottles, spouts. The 10" cleaning brush is suitable for straws, glass pipes.