Keep the whole family's teeth clean with Oral-B Compatible Toothbrush Heads 6 styles: Tri-Zone, Cross Action, 3D White, Floss Action, Dual Head, Kids Each style has its own unique features Refer to Full Details for information on the different types of toothbrush head Compatible with most types of Oral B toothbrush Kids brushes have soft bristles for delicate, small teeth Keep a stock of brushes so you never have to use an old one Buy 4, 8, 12 or 16 brushes Buying Options: 4.99 pounds instead of 14.99 pounds for 4 toothbrush heads -  save 67% 7.99 pounds instead of 29.98 pounds for 8 toothbrush heads - save 73% 10.99 pounds instead of 44.97 pounds for 12 toothbrush heads - save 76% 13.99 pounds instead of 59.96 pounds for 16 toothbrush heads - save 77%