In a class of its own: with its small brush head, the CS smart is really a child's toothbrush. However, adults who tried it were equally fans: they said it is exceptionally precise when brushing and wonderfully thin. We should have realized this when we gave him so many fine Curen® filaments. For children over 5 years of age and for adults. 7,600 CUREN® filaments, 0.08 mm. Designed for children over 5 years of ageExtra small brush head for exceptionally precise brushing7,600 CUREN® strands, 0.08mm Octagonal handle for the right angleIncredibly smooth and effectiveAdults love it too!Important: Colors may vary