Premium Material: The Crevice Cleaning Brush Is Made Of High-Quality Pet Bristles That Are Harder Than A Toothbrush. These Ultra-Fine Bristles Effectively Penetrate Cracks And Narrow Crevices, Ensuring Thorough Removal Of Dirt And Grime. | | Durability: Built To Last, This Crevice Cleaning Brush Features Flexible And Ultra-Durable Bristles That Maintain Their Shape Even During Tough Cleaning Tasks. You Can Rely On This Brush For Long-Lasting And Effective Cleaning. | | Flat Brush Head Design: The Brush Is Designed With A Flat Brush Head, Making It Convenient For Reaching Deep Into Crevices And Corners Such As Sink Edges And Window Tracks,Kitchen Sink, Bathroom B, Or Toilet Lid. | | Versatility: The Crevice Cleaning Brush Is A Versatile Tool That Is Perfect For Narrow And Hard-To-Reach Areas. Use It To Clean Bathroom Faucets, Kitchen Surfaces, Tile Corners, Sink Drains, Shower Door Rails, Sliding Door Rails, Narrow Window Frames, Air Conditioner Filters, Keyboard K.