These bottle brush are for the cleaning of small tube and bottles.

four pcs of brushes in one set

product size:

small brush: L 12 x W 1 x H 1 CM

mid brush: L 18.8 x W 1.5 x H 1.5 CM

big brush: L 20 x W 1.8 x H 1.8 CM

extra big brush: L 21.5 x W 3 x H 3 CM