Toothbrush Cylinder Head is ideal for pet dogs who dislike toothbrushing their teeth or for pet dogs that their owner think to start brushing their teeth. Slim type cylinder shape is around 11.0mm in diameter specially made for micro sized dog. Toothbrush Cylinder Head shape brings easy brushing not to adjust your brushing angle during brushing. The bristle top will always be able to get contact to pet dog�s teeth upon brushing due to the brush shape. The high density of the bristles allows the capillary action to absorb dirt from teeth. ?After use, wash the brush carefully to remove stains.