A natural bamboo bottle brush with sisal bristles. Designed to reach the bottom and sides of water bottles, thermoses, and narrow-neck containers with ease. Durable, plant-based, and built to last. NaturalBamboo SisalBristles BiodegradableMaterials Built toLast Why you'll love it Natural Bamboo Handle Sustainably sourced bamboo that is naturally durable and biodegradable Sisal Bristles Plant-based sisal fibers that scrub effectively without scratching Fits Most Bottles Long handle and angled head designed for water bottles, thermoses, and mason jars Eco-Friendly Alternative Replaces plastic bottle brushes with a compostable, plant-based option Gentle Yet Effective Cleans thoroughly without scratching the interior of your bottles No Harsh Materials Free from synthetic plastics, dyes, and chemical treatments Works great on Water Bottles Thermoses Mason Jars Narrow-Neck Bottles Baby Bottles Travel Cups Sports Bottles Carafes How to use 1 Wet the brush Rinse under clean water before use. 2 Apply soap Add a small amount of dish soap to the bristles. 3 Scrub the bottle Insert into the bottle and scrub the sides and bottom. 4 Rinse clean Rinse the bottle and brush thoroughly under clean water. 5 Air dry Allow to air dry standing upright or hanging between uses. What's inside Bamboo Handle Sustainable bamboo FSC-certified sustainable bamboo, naturally durable, antimicrobial, and biodegradable Sisal Bristles Plant-based fibers Natural sisal fiber from the agave plant. Firm enough to scrub, gentle enough not to scratch Packaging Bamboo Bottle Brush: 1 ct Individual bamboo bottle brush Packaged in minimal, recyclable materials Allow brush to dry fully between uses to extend its life.