Superior Quality Generic Replacement Brush Heads - Made with end-rounded nylon bristles helping to achieve that perfect smile. Perfect contour to fit in and around the teeth and gums. Compatible Perfectly - The toothbrush handles are designed work perfectly with Snap-on toothbrush handles. - Including Healthy - White, Flex - Care,Essence + and Power - Up Brush Handles, etc. Gum Health & Plaque Removal - The angled neck allows for better reach to remove plaque and prevent gingivitis and gradually improves overall gum health. Advanced & Indicator Bristles - Advanced bristles and slim angled neck reaches hard-to-clean areas. and the blue bristles reminder will fade when a replacement is needed, approximately every 3 months. Easy To Storage & Travel - Each of the toothbrush heads comes with a hygienic cap for easy to storage and travel, preventing it from dust and bacteria.