Designed for hardtoclean narrow openings: this bottle brush is crafted to handle grime in cups, jars, and bottles with narrow openings. The bristles cover all sides for thorough cleaning and better access to corners and ridges. Sturdy silicone and heat resistant: the brush head is made of durable silicone that withstands temperatures, providing reliable performance over time without warping or degrading. Dualbristle performance: features a combination of soft and stiff bristles to balance gentle care of delicate surfaces with effective removal of stubborn grime. This setup helps ensure a clean finish in tight areas. Spacesaving storage: a suspending hole allows for easy hanging and organized storage, keeping the brush within reach while saving cabinet space. Broad compatibility and practical design: suitable for a range of narrow vessels, including cups, jars, and bottles, making it a versatile cleaning tool for kitchen and home use. Use scenarios: Clean baby bottles, sport bottles, or other water bottles with narrow necks to remove residue from hardtoreach areas. Refresh jars and spice jars, jam jars, or mason jars with narrow openings where residue tends to accumulate. Clean coffee mugs, travel cups, or tall vases with slender necks that are difficult to scrub with a generic brush.