Safe & Waterproof Design: Designed With Safety In Mind, These Brush Heads Are Constructed Using Bpa-Free Materials And Feature An IpX7 Waterproof Rating, Ideal For Both Adults And Children. Super-Soft Bristles: The Premium DuPont Nylon Bristles Offer A Gentle Clean That's Especially Beneficial For Those With Sensitive Gums. Easy To Replace: Our Brush Heads Are Crafted For Simple And Speedy Replacements, So You Can Focus On What Matters Most – Your Oral Health. Regular Replacement Package: Stay Ahead Of The Oral Hygiene Game By Replacing Your Brush Heads Every 3 Months As Per Dental Professional Recommendations. High Quality Dental Hygiene: These Brush Heads Are Designed To Promote Optimal Oral Health By Removing Plaque And Promoting Healthy Gums. Transform Your Oral Care Routine With Our Electric Toothbrush Heads, Packed With Super-Soft DuPont Nylon Bristles. These Bristles Are Specifically Chosen For Their Gentle Touch, Making Them Ideal For People With Sensitive Gums. Designed For Compatibility With Sonic Toothbrushes, Our Brush Heads Come In A Regular Replacement Package To Ensure That You Always Have Fresh Bristles On Hand. Their Safe And Waterproof Design, Along With The Ease Of Replacement, Adds To Their Appeal. By Investing In High-Quality Dental Hygiene, You're Taking A Step Towards A Brighter, Healthier Smile.