【L-shaped design】 The cleaning brush has an L-shaped design that allows it to bend at a 120-degree angle to reach the corners inside the large bottle. This brush can clean narrow areas. 【Durable material】 The bottle cleaning brush is made of nylon, stainless steel, and PP material, which is strong, durable, and can be used for a long time. The soft side bristles clean the walls without scratching. 【Easy storage】 The carboy brush has a non-slip handle and a hole at the end so you can hang it in the kitchen or bathroom. 【Easy to clean】 The water bottle cleaning brush head provides gentle cleaning and serious scrubbing, and the sturdy bristles thoroughly clean the bottom of the bottle. 【Wide application】 The carboy cleaning brush is used for a variety of liquid containers and cleaning porcelain, glass bottles, thermoses, sinks, filters, tiles, window crevices, and other narrow spaces.