【4 Pieces】Lion Systema AX Toothbrush 44M (Compact, Medium) Instant purchase is OK. This is a set of 4 toothbrushes. Product Description The ultra-thin head allows the bristles to easily reach every corner of the mouth! By combining an ultra-thin compact head with a thickness of only 2.6mm and super tapered bristles with excellent reach, we have designed a toothbrush that is easy to maneuver in a narrow oral cavity. It can thoroughly care for the interdental spaces, the cervical areas, and the last molar area, reaching every corner of the mouth.