Rayban RB4184 are wayfarer shaped sunglasses made of plastic acetate material which is both lightweight and durable. The lenses are completely U.V. protecting. Rayban RB4184 are available in size 54x17. designerglasses.co.uk offers this frame in various colours including: Rayban RB4184 601 Black/Crystal Green. At designerglasses.co.uk our frames are despatched by recorded UK delivery and delivery is Free worldwide on orders over £200.