These micro-size interdental brushes are designed for gentle yet effective cleaning of ultra-narrow spaces between teeth. The 0.35 mm metal bristles comply with ISO 0 standards, offering maximum cleaning precision without irritating or damaging the gums. They are ideal for people with sensitive gums and suitable for daily use or after dental treatments. The ergonomic handle provides control even in hard-to-reach areas. Recommended for use once daily after regular brushing.