High quality material: Mini Skater Cleaning Brush is made of high density sponge with more absorb of water, release water faster and long plastic handle. Application: it is suitable for glass and stainless steel bottle or cup, wine bottle ,coffee and tea glasses pot, baby bottle ,feeding bottle and more. Advantage: soft sponge does not scratch bottles and long handle could easy to clean the entire internal surface of bottles, including hard-to-reach corners and bottoms. Here is a small hole on the end of the handle, convenient to hanging and save your space