The package inculde 10 pieces mini brush, which are composed of a PP plastic handle and nylon bristles, they are durable, easy to use, and helps clean waste to protect your phone speaker from clogging; The nylon bristles are of nice flexibility, wear resistance and thermal deformation | The cleaner brush is easy to use, just need to insert it into the phone cleaning areas, then will remove the dirt easily; Soft and durable bristles will not defom, but help you to clean phone speaker quickly and won't scratch phone | Maintain audio performance and clarity for your cell phone and headphones | The mini cleaning brush can remove gunk from hard to reach areas, like window slots, blinds, car vents, sliding door rails, keyboards, straws, hummingbird feeders, airbrushes, phone holes, small nozzles and more | No harmful chemicals, safe and effective