Add definition or color to your eye look with this flat SigmaTech® fiber brush and any gel, liquid or powder formula. HOW TO USE Press gel, liquid, or powder products along the upper and lower lashlines to create an easy, thin line. DETAILS Function: Apply color along the lashlines Unique Feature: Flat, sharp brush head with a thin edge Recommended Use: Press gel, liquid or powder products along the upper and lower lashlines to create an easy, thin line. Coverage: Full Length: 6 1/2 in. (16.51 cm) TECHNOLOGY HIGHEST-QUALITY FIBERS: Exclusive synthetic antimicrobial fibers Engineered to better hold, apply + blend products FERRULES WITH UNMATCHED STRENGTH: Durable + corrosion-resistant SigmaAlloy™ Precious metal plating for shine + strength Exclusive, patented interlocking technology Double-threaded engineering SLEEK, DURABLE HANDLES: Solid polymer-based handles are waterproof Outlasts all product formulas + frequent brush care US Patent No.