JD Original JZ5 Electric Toothbrush Heads, DuPont High-Elasticity Bristles, 2-Pack, Black (Compatible with JZ5 Electric Toothbrush) [PJ]

W-shaped 3D brush head design, fits the curvature of teeth surface, deep cleans teeth gaps, no dead angles

High-density bristles, tightly implanted DuPont bristles, increases contact area between brush and teeth, more effective cleaning

Rounded top design, deep cleans corners without harming teeth

Medium softness, optimal balance between soft and hard bristles for effective cleaning without causing gum damage or bleeding