High Quality and Durability: These handy cleaning brushes are made from high quality PP PP handles and PP bristles, which are durable, flexible, soft and wear resistant. They can be used for a long time. Versatile: These brushes are small enough to get into many hard-to-reach corners. They are ideal for removing grease and dirt from window slots, shutters, vents, sliding doors, shower doors, refrigerators, keyboards, sinks, etc. Easy to use: You can use a dry brush or a wet brush according to the actual situation. If it is difficult to remove stubborn stains, you can use a brush soaked in liquid for cleaning or use a dry brush before scrubbing. Perfect Design: These 3 window brushes are made with innovative and smart design, can easily reach the space and clean. Suitable for kitchens, windows, doors. Compact, easy to grip, non-dirty, clean, effortless and economical. Window Groove Cleaning Brush: Innovative gap design, can easily reach the gap and clean it. Squeezing two pieces of cloth together is very suitable for cleaning the slide. The enlarged handle shape makes it difficult to slip and the chuck brush head design makes it easier to get into window crevices, kitchen doors, sink edges and harder to clean areas making easy and efficient cleaning.