• Pre-inked mapping string designed for microblading and semi-permanent eyebrow design. • Formulated with bamboo charcoal-based hypoallergenic ink, safe for sensitive skin. • Facilitates the creation of symmetrical contours and exact measurements in eyebrow mapping. • Compatible with various mapping tools and rulers to improve process efficiency. • Provides fine, clear, and durable lines for detailed and professional work. • Resistant material designed for prolonged use in aesthetic design.