Fangrui Product Details [2 In 1 Groove Cleaning Brush]: Our Window Cleaning Brush Combines A Hard Bristle Brush With A Hidden Scraper, The Hard Scraper Can Remove Accumulated Dirt, And The Small Groove Dustpan Design Can Collect The Scraped Dirt, This Design Makes Cleaning More Thorough And Convenient. [high Quality Materials]: The Multifunction Window Track Cleaning Brush Is Made Of High-quality Plastic And Pet Thick And Sturdy Bristles. Its Durable Construction Ensures A Long Service Life And Can Handle A Variety Of Cleaning Tasks, Providing Excellent Cleaning Results. [portable Cleaning Brush]: Its Portable Design Makes It Easy To Get Into Narrow Spaces, For Detailed Cleaning Tasks Around The Home. Its Compact And Lightweight Construction Is Not Only Convenient For Storage, But Also Makes It Easy To Clean Every Corner Of Your Home. [ergonomic Handle]: Its Ergonomic Design And Comfortable Handle Ensure Better Control And Reduce Hand Fatigue During Cleaning. It Provides Excellent Feel And Operating Experience Whether It Is Used For A Long Time Or Handling Delicate Cleaning Tasks. [widely Use]: Our Crevice Cleaning Brush Is Suitable For A Variety Of Occasions, Including Window Seals, Glass Door Tracks, Window Sills, Sliding Doors, Shower Door Tracks, Sinks, Toilets And Faucets. It Can Effectively Clean All Stubborn Dirt And Narrow Gaps, Making These Hard-to-reach Places Look Brand New.