Effective Cleaning -- This crack cleaning brush set is designed to effectively remove dust, dirt, and debris from small cracks and tight spaces. The ultra-fine PET bristles are strong yet flexible, allowing them to easily reach tight spaces, cracks, and corners without scratching or damaging the surfaces being cleaned. Ergonomic Design -- Each crevice cleaning brush is designed for comfortable grip and control. The durable plastic handle provides a good grip, allowing you to easily maneuver the brush while cleaning the kitchen sink, bathroom sink, or toilet lid. Durable and Long Lasting -- These hard bristle cleaning brushes are built to last. They are wear-resistant, allowing you to use them for a long time without worrying that the bristles will lose their effectiveness, even after multiple uses and washes. Easy to Clean and Store -- This gap cleaning brush can be easily rinsed with water and left to air dry. It is compact and can be stored in drawers, toolboxes, or cleaning carts; it also has a small hole for easy hanging, saving space. Versatile Use -- These gap cleaning brushes can be used on different surfaces. Whether you need to clean your car dashboard, keyboard, air vents, kitchen appliances, bathroom fixtures, tiles, shower door tracks, sink drains, oven, turntables, sliding door tracks, or window frames at home or in the office, this set is for you.