Construction and materials Dustcollecting head made from quality PP (polypropylene) with soft nylon bristles for durable, reliable cleaning. Bristles are designed not to shed easily and maintain shape over repeated use. Key functions and benefits Soft, dense bristles reach deep into narrow gaps and grooves to lift and remove embedded dirt and debris. Twoinone Window Groove Brush combines a brush and dustpan in a detachable design for quick cleaning and neat disposal. Elevated ergonomic handle on the track brush positions your hand away from the cleaning surface, reducing the risk of scraping or injury and giving a clear, unobstructed view while you work. Performance and usability Strong cleaning ability on small, hardtoreach areas thanks to the nylon bristles and focused dustcollecting head. Detachable brush and dustpan make it easy to use, clean, and store without taking up extra space. Ergonomic handle improves control and comfort during extended cleaning tasks. Typical use scenarios Cleaning window grooves and sliding door tracks to remove accumulated dirt and restore smooth operation. Removing dust and debris from narrow frame channels, sills, and other tight crevices around windows and doors. Routine maintenance of grooves and tracks where a standard brush cannot reach. What you get: a purposebuilt window groove and track brush assembly with a durable PP/dustcollecting head, soft nylon bristles, detachable brush + dustpan, and an elevated ergonomic handle for safer, more effective cleaning.