4-16Pcs Replacement Brush HeadsCompatible for SOOCAS X3/X3U/X5 Clean Soft Sonic Electric Toothbrush(16Black)

- The double-layer bristles are arranged in a staggered pattern, closely fitting the curvature of the tooth surface. They not only clean but also polish the tooth surface. - The strong and durable bristles are unlikely to deform and are long-lasting and durable. A single brush can be used stably for a long time. - Suitable for sensitive teeth, with soft bristles that are less irritating and suitable for delicate oral tissues. - The brush handle has a precise snap-fit design. Once inserted, it fits securely without loosening, and there is no shaking or abnormal noise during brushing. - 4-16Pcs Replacement Brush Heads，Compatible For SOOCAS X3/X3U/X5 Clean Brush Soft Sonic Electric Toothbrush