Systema Toothbrush Smart Clean is a toothbrush with Micro Clean technology, super fine bristles (0.02mm) that can reach between the teeth and the narrowest gums. With lots of bristles and a larger brush head. Available in 2 variants: -Regular -Big Head Ready in 2 sizes: - single 12 pcs/ctn - 6 ctn/box - fill in 3 x 6 pack/ctn - 2ctn/box