[3 in 1 Multifunctional Cleaning Brush] - 1. U-shaped brush: match the cup mouth to clean stubborn stains around the cup mouth. 2. Gap Brush: Clean the narrow grooves on the inner wall of the cup cover. 3.Corner brush with hard bristles: Remove the dirt in the corner groove of the container. [Easy and Safe to Clean] - The 3 In 1 Multifunction Cleaning Brush can be used to clean the dirt in the groove, the disassembly device is used to pry the seal ring and clean the crevices, and the white brush can clean the bottle cork dirt. And the bottle top cleaning brush is gentle on any surface and won't compromise your home cleaning. The brush is powerful and easy to clean, just rinse with water and dry quickly. [Thoughtful design] - Rotated 180 and swapped, small and fast, easy to change, with hanging holes, can be hung up when not in use, and convenient storage. [High Quality] - These 3 In 1 Tiny Bottle Cup Lid Detail Brushes are made of heat-resistant polypropylene plastic, strong and wearable, washable and safe, not easy to break, and can withstand 80 degrees Celsius, which can serve you for a long time. Bristles are high temperature resistant, not easy to fall off, with high quality. [Wide Application] - 3-In-1 Cup Lid Crevice Cleaning Brush suitable for all kinds of cups and bottles, such as cups, glasses, milk bottles, sports cups, wine glasses, tea cups, mugs, etc. Can also be used for kettles, kettle lids, plates, pacifiers, etc.