GENKENT Oral-B Braun replacement toothbrush heads feature durable Dupont bristles to ensure long life and resistance to shedding. Four different color rings make it easy to distinguish and assign brush heads between family members for worry-free sharing. With precision-angled bristles, the Crossover brush heads expertly reach between teeth for a thorough, tooth-by-tooth clean. Enjoy an affordable set of 12/20 Crossover replacement brush heads, perfect for families looking to save on replacement brush heads.