As Confident, as it is inspirational, The Opal is a precious jewel projecting a fascinating display. Steeped in lore, it is known to reflect the mood of the wearer, inducing magical powers and unrelenting good luck. Specifications: Sizing: Large Lens : 55 mm Bridge: 21 mm Arms: 140mm 100% UV protection Handcrafted acetate frame Italian Stainless Steel Optical Hinges Lightweight CR-39 Lens Base 4 lens Made in Italy Included: Hardshell Case