Marc Jacobs Square Acetate Sunglasses combine a refined square silhouette with lightweight acetate construction and a signature gold double‑J plaque on the temples for a modern, versatile look. Key attributes: Black | Nero | Acetate | Gradient lenses | UV protection | Full-rim frame | Lightweight construction | Square silhouette | Gold double-J metal plaque on temples | Sculpted temples | Glossy acetate finish | Dimensions & fit: Lens width 56 mm | Bridge 20 mm | Temple length 140 mm | Lens size 56-20-140 | Flatters most face shapes | Composition & care: Acetate | Wipe lenses with a soft microfiber cloth and store in a protective case. Avoid solvents and prolonged exposure to heat.