Features: Quality: Our pipe cleaners are made of top-grade 304 stainless steel wire and soft, long nylon bristles, making them durable and BPA-free. Uses: The stainless steel handle is strong and durable, with an end tip coating that protects straws or soft tubes. Our pipe cleaners can easily clean the inside surface of stainless steel, silicone, glass, and tapered spouts in hummingbird feeders. They are also perfect for cleaning hard-to-reach corners and holes. How to Use: Our straw brushes are very easy to use, and it& 39;s best to use them with dish soap and warm water. Keep them in a dry place when not in use to reuse them. Wide Application: Our pipe cleaners are suitable for cleaning straws, dropper bottles, kettles, keyboards, motherboards, and more, making them versatile and easy to use. Customer Service: Customer satisfaction is our first priority, and we provide satisfactory service for all products. Specification: Handle Material: Stainless steel Bristle Material: Nylon Notes: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 20*Straw Bristle Cleaning Brush