The end of the handle is designed with a preset hanging hole, which can be hung on the hook to drain water after cleaning Without need for additional accessories, storage, easy to take and use, easily handling daily cleaning tasks brush comes with fine protrusions that gently remove milk stain from deeply folds The bottle brush head adopts a twist three-dimensional cutting, which fits the bottle bottom and inner wall The brush heads are made from silicone, which has a flexible and elastic touch Efficient cleaning without the inner wall of the bottle