6 Pcs Brush Heads Set,Effective cleaning of teeth and gums,High-quality rounded bristles made of DuPont TynexI nylon fibers and a green bristle indicator (indicates when replacement is necessary),With color coding: 3 colors with 2 caps each,Fits Oral-B electric toothbrushes: ProfessionalCare, SmartSeries, Vitality, Pro Health, AdvancePower, Triumph, PRO, SMART, GENIUS, Teen, Junior, Stages Power and Nevadent oscillating toothbrushes,Material: Plastic, nylon,Size: 7.2 x 1.43 x 2cm