Millionminds 3 in 1 Multifunctional Bottle Cleaning Brush for Bottle Cap | Cup Cleaner Brush  (Multicolor)

3 in 1 MUILTIFUNCTIONAL CLEANING BRUSH: The multifunctional tiny bottle cleaning brush is designed into three parts: 1) U-shaped brush that matches the cup lip to clean stubborn stains around the cup mouth. 2) Use a Tiny Gap Brush to clean the narrow grooves on the inner wall of the cup cover. 3) Hard bristle corner brush to remove the dirt in the corner groove of the container.