A bottle brush has elastic bristles attached to long stems or grips made of plastic, wood, or wire. Bottle brushes are perfect for cleaning bottles due to their shape and style. They can clean parts of a bottle that conventional cleaning methods can't. Maintaining optimum hygiene requires the use of a bottle cleaning brush. Water bottle brushes are extremely simple to use, clean in a matter of minutes, and won't need to be replaced for a long time if properly cared for. A bottle brush is also necessary for properly cleaning infant bottles, so keep one on hand at all times.