4 pieces, 2 colors, 2 blue and 2 pink. Cute bunny shape to arouse children's interest when cleaning. Safe material, BPA free, designed for children. The bristles are made of PBT, a flexible material that reduces pressure on the gums. PP+TPE handle, safe, odorless and non-irritating material. Children's toothbrush size: 15cm long, the large soft plastic cover on the handle prevents swallowing or breaking when brushing teeth and provides a comfortable, non-slip grip. Suitable for ages 2-8 years: the compact head of 2 cm x 1 cm avoids the sensation of foreign bodies in the mouth. Professional bristles: the bristles have a diameter of 0.12 mm and penetrate into the interdental spaces for better cleaning. The end of the brush is rounded to protect children's sensitive gums.