Key features:

• Best use for people who are more used to a slightly firmer toothbrush. 
• It's 0.15 mm in diameter.
• Choose Curaprox Cs 1560 Soft Toothbrush - Dark Blue Brush W/Violet Head

Benefits:

• It comes with an ultra-fine, polyester filaments are firm enough to penetrate deep into the sulcus, fissures, and between teeth. 
• It providing a gentle yet efficient cleaning action on both teeth and gums.