A 3-in-1 bottle brush is a versatile cleaning tool designed to effectively clean various types of bottles, containers, and other items with narrow openings. The "3-in-1" designation typically refers to the brush's ability to perform three distinct cleaning functions in one tool. Here's a general description of the components and features you might find in a typical 3-in-1 bottle brush:

Triple Cleaning Mode:

Easy To Rinse After Use:

Multi-Cup Type: