The Spot-on Concealer Kit contains six brushes for ultimate concealing of blemishes, dark spots and any other imperfections. The various brush sizes, textures and angles were designed to apply the perfect amount of product for maximum coverage anywhere on the face. Buff and blend your way to flawless skin. SigmaTech 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, SigmaTech fibers are antibacterial, hypoallergenic, and will maintain their original shape and color even after multiple washes. Ferrules - The patented 3-ring brush ferrule is made with high performance SigmaAlloy 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. LENGTH F63 - 7 in. (17.78cm) F64 - 7 7/16 in. (18.89cm) F66 - 7 in. (17.78cm) F68 - 6 1/8 in. (15.56cm) F69 - 6 in. (17.15cm) F71 - 6 13/16 in. (17.30cm)