Prada PR B18S Sunglasses pair Prada’s signature craftsmanship with a classic square acetate frame. The tortoiseshell finish and brown lenses deliver everyday sun protection with a refined, versatile look. Key attributes: Brown | Tartaruga | Acetate | 100% UVA/UVB protection | Saddle nose bridge | Includes protective case | Square frame | Tortoiseshell pattern | Gloss finish | Triangle logo on temples | Wide tapered arms | Dimensions & fit: Lens width: 53 mm | Bridge width: 19 mm | Temple length: 145 mm | Lens height: 42 mm | Eye/bridge/temple: 53-19-145 mm | Lens height: 42 mm | Composition & care: Acetate frame | Polyamide lenses | Spot clean with a soft cloth; store in protective case.