This is an actuary usable eyeware. Ellipse shape are designed to balance that is visible to a true circle when wear it. Please prepare temple parts & optical lenses. *Temple parts: Stainless steel wire (D1mm x L170mm) x2 **Optical lens: Please askto optician in your city. If you choose color lens, possible to make the sunglasses. Please warm the frame thoroughly with a hair dryer before fitting the lens to the frame.