Set of 4 replacement heads for the Fairywill electric toothbrush, designed with a unique wavy bristle pattern that adapts to the contours of teeth. The heads allow for thorough cleaning of gums and hard-to-reach areas, ensuring maximum contact with tooth surfaces during sweeping motion. Rounded bristle tips guarantee safety and gentleness while brushing. Product specifications: • 4 heads per pack • compatible with Fairywill toothbrush models: 507, 508, 515, 917, 959 • unique wavy bristle design • rounded tips for safety • easy installation and removal of heads