5-10Pcs Replacement Brush HeadsCompatible for Seago/Fairywill Electric Toothbrush FW/SG 507/508/515/551/917/959/908(5 Black 5 White)

- Designed to fit select electric toothbrush models, ensuring secure attachment and stable performance during use. - Features bristles that balance softness and cleaning efficiency, reaching between teeth and along gumlines while being gentle on sensitive areas. - Ergonomic shape conforms to mouth contours for easy maneuvering, ensuring full coverage with minimal hand strain. Compact for convenient storage and travel. - Made with durable materials to maintain shape and bristle integrity through regular use, reducing replacement frequency. - Simple tool-free replacement: remove old head and attach new one firmly for immediate use, saving time and effort.