Reminder bristle will fade in color to let you know it's time to change the brush head (for optimal results, replace your brush head every 3 months). High-density bristles and design in "W" shape can go into the gum thoroughly, removes the stubborn tooth stains deeply. Hygienic cover included: each brush head comes with a protective cover for healthier storage and travel. Dupont Brush Heads: made at the high health and safety standard of oral hygiene technology. Full compatibility: pack of 2 replacement electric toothbrush head is compatible with the ObeOral OB1-4 rechargeable handles.

Best Sellers Rank: See Top 100 in Health & Household. Bristle Material: Nylon. Age Range (Description): Adult, kids above 8. Material: Acrylonitrile Butadiene Styrene. Color: White. Brand: ObeOral. : B098X9T4FB. Manufacturer: ObeOral. Date First Available: July 8, 2021. Item model number: OB-N1. Package Dimensions: 4.72 x 2.32 x 0.63 inches; 0.63 Ounces.