The Nerd Sun-Staches feature classic wayfarer style black frames with the requisite tape in the middle, clear lenses, and a black mustache with curled ends. Sun-Staches sunglasses are made of sturdy plastic and have attached small, metal chains dangling a hard plastic mustache below your nose. Sunglasses provide 100% UV400 protection and measure 5 1/2in wide; arm length is 5 3/4in. Aristocratic style mustache measures 2 1/2in wide. One size fits most adults.