Blue Arrow 098, 30 pieces per box, 300 pieces per case. High-density down fiber is meticulously processed to provide more flexible and deep cleaning of teeth gaps and gum grooves. The 42-hole dense bristle arrangement provides a fuller sensation, caring for the gums and sensitive teeth. Oval-shaped brush head: The thin and compact oval-shaped brush head is designed to easily reach every corner of the mouth; it provides comprehensive cleaning of the teeth without harming the gums, making cleaning simpler. Ultra-sensuous soft rubber handle: The stylish ultra-sensuous soft rubber anti-slip handle meets the needs of various grip positions. The thumb control area is equipped with a ring-shaped rubber pad, making control more flexible and adding fun to brushing.