M1033 - MATTE WALNUT. Matsuda M1033 - MATTE WALNUT (M1033.SG.MWNT-AMB.50) are bold rectangular 50's-inspired sunglasses. They feature hand-sculpted Japanese acetate frame, exposed wirecore design with signature M+N engraved motif, custom riveted hinge, gradient blue lens 100% UV protection. Made in Japan. Material: acetate, titanium. Lens: sage green. Shape: squared. Material: ACETATE, TITANIUM. Made in: JP. WARNING CALIFORNIA PROPOSITION 65. This product can expose you to chemicals including Nickel (Metallic), which is known to the State of California to cause cancer. For more information go to https://p65warnings. Ca. Gov. California Health & Safety Code Section 25249.6. Shipping eyewear products to US only. For US customers, eyewear products are categorized as Class 1 medical devices by the 21 Code of Federal Regulations (CFR) - Food and Drug Administration (FDA). Baltini ships eyewear orders on a Delivery Duties Paid (DDP) basis.