The Hyun ice toothbrush Dr Ray D1 toothbrush , it has the supper soft bristle , more in-depth cleaning gingiva sulcus and slot mildly , the Cristal handle bring free visual enjoyment . We use the black PBT bristles clean your teeth gap deeply. We also have the regular replacement of functional device on the brush cup . This function can mention you the time when you have to change the toothbrush . 1pc in a blister card, 12pcs in a inner box , 144pcs in a carton . 4 color per item .