【Gentle & Flexible Bottle Cleaner Brush】The handle of the bottle brush is intertwined with 304 stainless steel wire, which is not rusty, elastic and not easily deformed, which can be perfectly adapted to different types of bottles. The long bottle brush easily reaches the bottom of the bottle and cleans all interior areas. The special wooden handle with 90° design makes it easier and more convenient for you to clean the soda bottle. 【Efficient Bottle Cleaner】The spiral bristles of the bottle cleaners are designed to fit the shape of the glass bottle, making the cleaning more thorough and cleaner, and the cleaning process is faster and more convenient. The soft cotton ball on top helps remove stubborn stains from the bottom of the bottle. 【4 Different Sizes & Bottle Brushes for Cleaning】The set includes 4 bottle cleaner brush and straw cleaning brush in different sizes and materials (size: 33x 23.5x 9cm, 33x 13x 3cm, 15.5x 9.5x 2cm, 12x 10x 1cm) 【Easy to Clean】After each use of the brush, simply rinse the bottle brush with warm soapy water and let it dry naturally. The rope at the bottom of the handle allows the brush to be hung up. Please hang them in a ventilated and dry environment.