【High quality】These tubular brushes are nylon bristles and stainless steel rods, good elasticity, no lint, no rust, eco-friendly and durable. 【Efficient cleaning】 The tube brush rod is flexible, can clean corners, can remove stubborn dirt effectively, the handle is soft, easy to operate, remove any dirt without hurting the inside of the instrument. Suitable for baby bottles, kettle spouts, keyboards, test tubes, glass bottles and small spouts, espresso machines, etc. 【Removable key ring】 The brush is Comes with a detachable key fob for quick and easy access. All brushes have a convenient loop at the end of the handle. After cleaning, collect all the brushes and hang them on the wall. It doesn't take up too much space or create clutter for you. [Various Sizes] The total length of the brush is about 21cm and the diameter is 2mm/3mm /4mm/5mm/6mm/8mm/12mm/16mm/20mm/24mm. For blind spots, hard-to-reach places, there's always the right size brush to use to make your life cleaner and easier. Packing List: 10 nylon brushes. We only sell nylon brushes and do not sell other items in the picture. Due to factors such as manual measurement and display differences, there may be slight differences between individual products and images.