Key benefits Durable cleaning performance for difficult beverage containers: the bottle brush uses durable bristles to help remove stubborn stains and odors from cups, bottles, and tight spaces. Strong silicone and heat resistant design: the silicone construction provides reliable cleaning performance, and the heat resistant design supports cleaning with hot water or heated beverages. Thorough cleaning with mixed bristles: the combination of soft and stiff bristles reaches corners and hidden areas for a more complete clean. Easy storage: a convenient hanging hole allows you to store the brush neatly and save space when not in use. What it is and how it works Material and construction: strong silicone design with durable bristles built for efficient cleaning and long lasting use. Cleaning targets: designed to clean cups, bottles, and tight spaces, including difficult beverage containers. Performance focus: balances soft bristles for gentle surfaces with stiff bristles for tougher residue to deliver thorough cleansing. Storage feature: hanging hole enables simple, space saving storage. Use scenarios Scenario 1: Clean sports bottles and travel mugs with narrow openings, removing residue that collects in hard to reach areas. Scenario 2: Refresh cups and mugs with stubborn coffee, tea, or beverage stains, especially around rims and corners. Scenario 3: Reach into tight spaces inside bottles and other containers to remove hidden grime and odors during routine kitchen cleanup. Specifications and compatibility Suitable for cups, bottles, and tight spaces; designed for difficult beverage containers. Material: strong silicone construction with durable bristles; heat resistant for versatile cleaning. Storage: includes a hanging hole for convenient, spacesaving storage when not in use.