:Made of stainless steel and nylon bristles, safe for washing dishes and drinking straws. The well-made nylon bristles are not easy to remove, so it is an ideal tool for cleaning gaps and dead ends. The deformable stainless steel handle is deformable and can be bent to adapt to various strange shapes and it can also maintain the curved shape very well, which can meet most of the needs of household cleaning Product specifications: Size: 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 12mm, 16mm, 20mm, 25mm. Color: Black. Material: stainless steel and nylon bristles. Package includes: 10 Pcs Straw Cleaning Brush Set.Wide range of cleaning applications: cleaning brushes are often used in baby bottles, hummingbird feeders, spray guns, coffee tattoo equipment, small nozzles, carburetor channels, water purifiers, etc. . Easy to use: Microfiber brush can be used to easily clean the inner surface of stainless steel, silicone, glass and bottle straws . Deformable and flexible: The deformable stainless steel handle is deformable and can be bent to adapt to various strange shapes and meet various cleaning needs . Material: The pipe cleaning brush is made of stainless steel and nylon bristles. It is used for washing dishes and straws. It is an ideal tool for cleaning gaps and dead ends . Multiple sizes: 10 kinds of diameter cleaning brush heads (2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 12mm, 16mm, 20mm, 25mm) are suitable for various sizes of straws, teapots, spray guns, espresso machines, etc. .