E54 Medium Sweeper Brush. Benefits: Function: Controlled lid application. Unique Feature: Dense, wide brush head. Recommended Use: Pack and blend eye product to the lid for an overall controlled and blended finish. Coverage: Medium. Features: 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. D862,91. EU Registered Design 578218-1. ZL 218333189.3. Additional Patents Pending. :