The brush head is made of a sponge and the handle is made of a durable plastic handle. It is comfortable to hold. Suitable for bottles and cups of different heights. Easily cleans the inside of a bottle, including hard-to-reach corners and bottoms. A soft sponge will not scratch the bottle. Moisten the sponge, then pour the cleaner onto the sponge. Squeeze the sponge by hand or rub it several times against the side of the bottle until it foams. After rinsing the brush, hang it on the wall so that any remaining water drips from the handle to prevent bacterial growth. ; The brush head can be detached and the handle can be removed by pressing on both sides of the center. It can be changed and cleaned freely, which saves space and is easy to carry. Suitable for mugs, kettles, milk bottles, thermos flasks and baby bottles made of various materials. Perfect for cleaning the inside of bottles with a narrow neck. Narrow neck cups and deep water cups are also easy to brush. Color: Green + Blue + Pink Size: 23CM * 5CM Quantity: 3 pieces Please note. 1. different monitors and simple levels differ, actual color may differ from the picture. 2. any manual measurement, there may be deviations.