This brush is made using high-grade material. It is durable and long-lasting. The bottle brush is temperature resistant and can be sterilized in boiling water. The design of the hanging holes at the bottom of the handle can be hung to dry. This cleaning brush is designed to reach down into every corner of the bottles to properly clean them by removing residue. The long bottle brush is suitable for most bottles and has soft and won't scratch the interior. This is convenient for storage and saves space.