The E55 Eye Shading features a soft and dense squared brush head with slightly rounded edges. This brush works best for an all-over application of color to the lid with lighter shades for a base. EXCLUSIVE FEATURES: SigmaTechTM Fibers - Sigma Beauty's exclusive selection of high performance synthetic fibers engineered to outperform traditional animal hair. Features technologically advanced filaments with specialized tips developed to hold and deliver cream and powder products without any absorption into the bristles. Built to last, SigmaTechTM fibers are antibacterial, hypoallergenic, and will maintain its original shape and color even after multiple washes. Ferrules - The patented 3-ring brush ferrule is made with high performance SigmaAlloyTM for durability and strength. Patent No. D718060. Handles - Each brush handle is made from a lightweight, sustainable source of wood which receives 8 coats of paint, making them scratch resistant and guaranteed to last. © 2014 Sigma Enterprises, LLC.