These Biohazard square sunglasses for kids feature are made of plastic and feature smoke as well as color-mirror lenses with UV400 protection, which helps shield eyes from the sun's harmful ultraviolet rays. They are available with black frames and smoke lenses, black and red frames with revo orange lenses, black and green frames with green and purple lenses, and black and blue frames with revo blue lenses. These sunglasses are available in one dozen per box, which makes them ideal for retailers.