12pcs Cross Action Replacement Brush Heads Compatible for Oral BD12 D16 D100 3757 3709 pro3 pro1max Electric Toothbrush(Black-12pcs)

- The packaging is simple, easy to store and manage. - The tips of the bristles are rounded to prevent injuring the gums. - High-density bristles provide a larger contact area. - Suitable for adult daily oral care. - Easy to replace, can be installed without tools.