High Quality Bottle Brushes: 14 pcs bottle brushes are made of 304 stainless steel and durable nylon bristles, including a brush designed to clean bottle caps. The bristles are securely attached and not prone to shedding. These cleaning brushes feature sturdy construction with strong yet soft bristles that effectively remove debris without scratching surfaces. Friendly Design: Unlike other cleaning brushes, this set includes three 8.27-inch small bottle brushes with densely packed bristles at the tip, allowing thorough cleaning of water bottle bottoms without damage. Each brush features a detachable key ring for convenient access and storage. Effective Cleaning: Ideal for hard-to-reach areas, these brushes provide excellent cleaning performance in blind spots and tight spaces such as U-shaped tubes, narrow straws, and curved containers. Useful for clearing debris from kitchen sink drain holes to ensure proper fit of sink strainers. Different Sizes: This set offers multiple size options to meet various cleaning needs. Smaller brushes fit into narrow grooves or holes, while larger ones are suitable for bottles and glassware. The package includes 13 nylon bottle cleaning brushes with diameters of 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm, 16mm, 18mm, 20mm, and 25mm, plus one cap cleaning brush. Each brush is approximately 21 cm in overall length. Wide Application: The flexible brushes come with a detachable key ring for easy handling and secure storage. These tools are widely used for everyday cleaning tasks such as cleaning baby bottles, straws, kettles, coffee machines, airbrushes, drip tips, colanders, and pipes.