SUPERIOR COMPATIBILITY :Perfect fit for SEAGO SG513/SG977/SGEK6, DadaTech DT-K6/DT-BB1/DT-977, Brush-Baby WildOnes/KidzSonic Series, and BabySmile S-204B.*Not compatible with BabySonic Series or SG-602/902.* Unsure? Check product images for your toothbrush model or contact Teeteck support for instant confirmation. KID-SAFE DESIGN WITH DUPONT NYLON BRISTLES:Extra-soft DuPont bristles gently clean without irritating gums. Rounded tip technology protects enamel and massages gums during brushing. 100% BPA-free materials DEEP CLEANING FOR TINY TEETH: Curved bristle tips reach back molars and tight spaces and clean significantly better than manual brushing. EASY SWAP:Quick twist-and-click installation,Slim profile fits even toddler-sized hands. COST-EFFECTIVE :Each pack contains 5 individually wrapped brush baby replacement heads, perfect for traveling with. Dentists recommend replacing brush heads every 3 months. 5 packs of baby toothbrush electric are suitable for children's long-term use. Give your child a fresh, clean smile with Teeteck’s Kids Electric Toothbrush Replacement Heads! Designed for comfort and safety, these brush heads feature a compact shape and ultra-soft bristles to protect growing teeth and gums. The BPA-free, food-grade construction meets strict safety standards, while the twist-and-click design makes swapping heads a breeze for busy parents. Perfect for travel or daily use, each hygienic pack includes 5 sealed replacements to keep your kid’s oral care routine consistent and hassle-free