Ultrathin bristles provide gentle clean and reach deep between teeth r Extra soft bristles for gentleness on gum r Ergonomic handle designed for more comfort and control r Oral-B, #1 toothbrush brand used by dentists worldwide Material: Ultra Thin Nylon bristles, Plastic handle.General Info: A manual toothbrush designed with ultra-thin bristles specifically for gum health. Features: 2X flexibility at the bristle tips for a gentle clean. Helps improve gum health.Use twice daily with gentle pressure to clean along the gumline. Replace every 3 months.