This straw cleaner brush can reach the inner of the straws and pipes for a complete clean. It’s made of food grade 304 stainless steel wire shaft and durable nylon bristles which will not shed the hair during cleaning. It’s easy to clean after use and store in the top rack of dishwasher. It can reuse again and again effective and environmental friendly. These pipe brush can be widely use for scrubbing all various materials of straws, pipes, tubes, narrow-neck bottles, kettles, coffee filter, sink drain, hummingbird feeder, etc.