100% Satisfied Guarantee - If you are not 100% satisfied with this purchase, feel free to contact us and we'll either replace or refund your order. Replace your brush head every three months as recommended by the American Dental Association. Tooth-waved bristles to suit teeth topography for thorough cleaning of gums and hard-to-reach areas. *2 Dupont Soft Brush Heads. End-rounded bristle to be safe and gentle on teeth and gums. *2 Pieces of Charcoal Whitening Brush Heads. Whitening bristle and whitening mode help speed up this stain removal, offers you a dental clean that wows. Bestday Electric Toothbrush Heads X 4 Pieces.

Best Sellers Rank: See Top 100 in Health & Household. Bristle Material: Nylon. Age Range (Description): Kid. Material: Dupont. Color: Black. Brand: bestday. : B09CTRLXHM. Manufacturer: bestday. Date First Available: August 17, 2021. Item model number: BH_2USBD01BK. Package Dimensions: 3.82 x 3.15 x 0.94 inches; 0.63 Ounces.