Flexible silicone head that conforms to curved surfaces and narrow openings, enabling thorough cleaning of hard to reach areas inside bottles and containers Scratch safe soft bristles made from food grade silicone that gently cleans without scratching delicate surfaces, safe for glassware baby bottles and non stick thermoses Ergonomic long handle for a comfortable grip and extended reach, allowing easy cleaning of deep containers while keeping hands away from water and detergent Multi purpose cleaning tool suitable for baby bottles water bottles thermoses glass cups and narrow neck containers an all in one cleaning solution for the kitchen Use scenarios Cleaning baby bottles and accessories: reach inside curved bottle bodies and narrow necks to remove milk residue and stains without scratching the surface, while the long handle keeps your hands away from hot water and detergent Cleaning thermoses and water bottles: the flexible head enters tall or wide mouthed thermoses and bottles, while the soft bristles remove residue from the interior without damaging non stick finishes Cleaning glass cups and narrow neck containers: safe on delicate glassware and narrow openings, providing thorough interior cleaning for everyday cups and specialized containers without leaving scratches