- Betterchoi Pro Sensitive Gum Care replacement heads designed for Oral-B electric toothbrushes - Pack of 16 heads with extra-soft, high-density bristles, ideal for sensitive gums - Gentle and effective cleaning that reduces irritation and protects gums - Rounded head for precise coverage of each tooth and access to hard-to-reach areas - Advanced flocking technology: firm, resistant, and durable bristles - Includes 4 colored rings to distinguish each head and share hygienically with family - Compatible with most Oral-B rechargeable handles (Pro, ProfessionalCare, Triumph, Smart, TriZone, AdvancePower, Vitality, Genius) - Not compatible with Oral-B Pulsonic or iO series - Replace the head every 3 months or sooner if the bristles become frayed - Keep out of reach of children for added safety