6 PCS Extra Soft Toothbrush Micro Nano Toothbrushes with 20000 Bristles Sterile
Each toothbrush has over 20,000 ultra-fine nano bristles—much softer and denser than regular bristles—designed to gently clean sensitive teeth and gums without irritation. Bristle Count: 20,000+ micro-nano bristles per toothbrush.