S'well FLASCHENBÜRSTE BOTTLE BRUSH in Metallic Silver. Made with strong bristles and a removable head for easy replacements, just fill your S'well product with hot, soapy water and use the cleaning brush to scrub all the nooks and crannies.. Importiert. If you are switching between coffee, tea, and other beverages or food, it is recommended to wash your S'well in between to avoid residue...