Key features:

• It has 3,960 Curen filaments that are gentle on gums and offer superb cleaning power,0.12 mm in diameter.
• Choose Curaprox 3960 Super Soft Toothbrush  - Petrol Brush W/Yellow 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.