HIGH COMPATIBILITY: FamiHealth 5 Pack baby kids electric toothbrush substitute heads Compatible with Dada Tech: DT-K6/DT-BB1/DT-977; Compatible with Brush-Baby WildOnes/KidzSonic Series; Compatible with Seago: SG-513/AD-11/SG-977/SG-EK6/EK2/EK7/AD-11/SG-921; Compatible with BabySmile: S-204B; YUNCHI: K3. If you aren't sure the mannequin of your toothbrush, you may investigate the type of toothbrush applicable to our images or ask visitor service. DuPont SLIM NYLON BRISTLES with BPA FREE: Made of DuPont slim nylon bristles, food-grade brush head BPA free. Each sonic toothbrush head replacement will struggle through strict wonderful control, you don&;t need to fear about laying off bristles, hurting your gums, deficient quality, now not fitting, and easy to damage. Designed for youngsters aged three - 12 years: our little one toothbrush alternative head is absolutely well suited for the mouth and enamel of kids aged three - 12 years, by using the gentle bristles materials, this youngster tooth brush heads will not do any injury kid&;s teeth, yet offering larger cleaning performance and take care of children&;s smooth gums better. EFFECTIVE GUM HEALTH IMPROVE: our toothbrush heads assist to reduce gingivitis far better than a handbook toothbrush. Easy to use.