Deep cleansing for fitting teeth 3-d curved brush head design Featuring a 3-D curved design of a mature toe, it is simple to penetrate into the gaps between tooth and the edges of the gums, Can greater match tooth from a number of angles for balanced cleansing Top rounded , without scratch Gingival , Protect Gingival Health , provide the finest experience . Deeply Clean , Whiten , Oral Health Care . Enjoy your enthralling and confident smile ! Color: Black & White Material: ABS+nylon bristles Package Contents: 10 x toothbrush substitute head Only the above kit content, diversified merchandise are usually not included. Note: Light reflection and assorted displays can cause the colour of the item in the photo slightly diverse from the real thing. The measurement allowed error is +/- 1-3cm.