4-in-1 Cleaning Brush: Multiple practical functions. The shape and size of the brush head is particularly suitable for cleaning the gaps in the lid, and the silicone brush head can easily clean the mouth of the glass, ensuring that every drink is fresh. Multi-Purpose: Our bottle brush head can rotate 360 degrees in one direction (counterclockwise rotation only), with U-shaped silicone cupping brush, stranded slit brush, stiff bristle corner brush three different functions of the brush head, suitable for cleaning different objects, tea cups, milk bottles, ice grids, molds, peelers, etc High quality material: The brush tool is made of high quality plastic, non-toxic, safe and environmentally friendly, and will not produce odors or harmful substances to the water cup and pacifier. The material is strong and durable, which ensures long time use and cleaning effect. Cute Shape: This cup mouth cleaning brush tool has a cute shape design. At the same time, it also has an ergonomic grip design that makes the cleaning process easier and more comfortable. Easy to Carry: The brush tool is small and lightweight, easy to carry. Whether for home, outdoor or travel use, it can easily fit into a bag or backpack. It is a practical lifestyle gadget that can keep your drinking utensils clean and hygienic anytime and anywhere. Multifunctional Bottle Cleaning Brush Set This versatile brush features four distinct functions to ensure a thorough cleaning. First, the silicone bristles effectively clean the mouth of the water bottle, while the nylon brush is perfect for reaching into the crevices of the bottle cap. The hard bristle brush is ideal for cleaning the grooves of bottle nipples, and the silicone protrusions are designed to clean the body of the water bottle itself. Say goodbye to dirty, hard-to-reach areas with our handy water bottle cleaning brush.