Filament-based design with a long history - Our replacement toothbrush heads use synthetic filament that has been recognized in the oral care industry for over 70 years. Trusted bristles for gentle and effective brushing - Bristles are made of American Thynex nylon. - The rounded heads provide gentle, thorough, and effective brushing to support daily oral care. Innovative round head for full coverage - Round head design with cup-shaped 360-degree coverage reaches all tooth surfaces. - Compact and soft in feel to support deep cleaning and gum care. High-density bristles for efficient cleaning - Bristles use irregular hole hair-planting technology. - Hair count increased by 40%, enhancing cleaning of stubborn stains. Replacement guidance - Replace the toothbrush head at least every 3 months. Specifications - Color: Black - Material: Plastic + bristles Package contents - 9 x electric toothbrush head Note - Only the above package contents are included; other products are not. - Light reflections and different displays may cause color differences; measurements may have a ±1–3 cm error. Use scenarios - Daily home brushing to maintain oral hygiene. - Gentle cleaning for sensitive gums or after dental work. - Spare heads for travel, gym bags, or shared households.