Fangrui Product Details Interspace Brush Heads - These Brush Heads Are Ideal Tools For Cleaning Interdental Spaces, Braces, Bridges, And Implants. Thorough Cleaning - Powerful Tip Bristles Clean Between Teeth And Under The Gum Line One By One For Cleaner Teeth And Less Gingivitis. Reaches Hard To Reach Areas - The Smaller Brush Head And Slim Bristles Make It Easy To Reach Hard-to-reach Areas, Making It Especially Suitable For People Who Want A Deep Clean And For Those With Braces. Great Value For Money - The Brush Head Is Made Of High-quality Bristles With Rounded Ends, Which Provides Comparable Performance To The Original Brush Head, But Saves You Money On Your Daily Expenses. Fully Compatible - These Brush Head Attachments Are Compatible With Most Oral-b Electric Toothbrushes. (not Compatible With Pulsonic, Io Series.) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin