【Efficient Cleaning Tool】 The stiff brush is made of extremely durable PP bristles, and the 0.5 cm flat brush head design can easily penetrate deep into crevices or grooves and easily reach dead corners. With the articulated cleaning brush, cleaning small spaces is no longer a problem. 【Ergonomic Handle Design】 The arc design of the brush head and the uniform arc design of the handle effectively reduce the gripping force of the hand, making the user comfortable and easy to use. 【Multiple Uses】 The crevice cleaning brush can be used in tight spaces, saving time and energy. Whether it's crevices around the sink, bathroom vanity, oven and turntable, sliding door tracks, window frames, or toilet seats, crevice cleaning tools can fix them and help you keep your home spotless! 【Easy to Clean and Store】 Our corner brush is suitable for all types of surfaces, including tile, glass, ceramic, stone, quartz, and granite. Provides instant cleaning without damaging the cleaning surfaces. High-quality bristles ensure that the product looks new after each wash. The hanging hole allows it to be hung up and takes up little space. 【Package List】 You will receive a package with a total of 4 sets of grout cleaning brushes, the quantity is sufficient to meet your daily use and replacement needs, you can also share this household appliance with others in need.