Electric Toothbrush Replacement Head x 4 with Medium-Soft Bristle Solely Compatible for Fairywill Electric Toothbrush Pearl-, Crystal- and Daily- Series.
Material: ABS/TPE/Dupont nylon. Bristle type: Medium-Soft.
Tooth-waved bristles to suit teeth topography for thorough cleaning of gums and hard to reach areas
Rounded bristle top for safety and gentleness.
Dentists suggest to replace toothbrush head at least every 3 months to avoid exceeding breed of bacteria.