The frame of KC8177 is injection molding & stainless steel, the spleen is plate & stainless steel, its color is clear: black, transparent wine red/solid wine red, tea red hawksbill/solid tea, purple hawksbill, the magnificence of its mirror leg is more let its show move feeling.Metal frame and plastic part are perfectly connected by exquisite rivets. Streamlined design frame with smooth legs more fit the shape of the head. The metal nosepad is keep your nose godd free with adjust.