<p><b>FreFeel Replacement Brush Heads for Smile Bright Platinum Sonic Electric Toothbrush, Soft Bristles, 4-Pack</b></p><ul> <li>Designed for Smile Bright Store Platinum Sonic Toothbrush.</li> <li> Soft End-rounded Bristles protect both your teeth and gum, and bring you a comfortable brushing experience.</li> <li> These toothbrush heads are equipped with specially designed bristles that contour to your teeth to provide effective cleaning action while remaining gentle on your teeth & gums.</li> <li> Blue indicator bristles will fade when a replacement is needed, usually 3 months.</li> <li> Small gap for powerful vibration and less noise.</li></ul>