Barton Perreira Norton Frame pairs a classic round silhouette with a keyhole bridge for a refined, wearable look. Handmade in Japan and finished with high-quality lenses, it works well as an everyday optical or sun frame. Key attributes: Multicolor | Mbt | Zyl | CR-39 lenses | Anti-reflective coating | Includes case and cleaning cloth | Keyhole bridge | Round lenses | Handmade in Japan | Composition & care: Frame: Zyl | Lens: CR-39 with anti-reflective coating | Clean lenses with the included cloth and store in the provided case.