4-in-1 large, small, rough and thin brushes; Can be used to clean straw walls, teapots, coffee pots, cups, bottles and other small parts, very easy to use; Large size: Total length: 20cm / Brush length: 10cm; Medium size: Total length:​ 20cm / Brush length: 9cm; Small size: Total length:​ 18.5cm / Brush length: 7cm; Minimal size: Total length:​ 11cm / Brush length: 2cm