Burberry BE4504 Square Sunglasses combine a structured square acetate frame with green lenses for reliable sun protection and a contemporary everyday look. Key attributes: Green | Verde | Acetate | UV protection | Lens category 3 (strong sunlight) | Full-rim frame | Polyamide lenses | Visible metal core in temples | Square shape | Marbled acetate pattern | Faceted temple details | Signature logo plaques | Dimensions & fit: Lens width: 51 mm | Bridge: 20 mm | Temple length: 145 mm | Size: 51-20-145 | Size M (51-20-145) | Wide fit | High bridge fit | Recommended for round and oval faces | Composition & care: Acetate frame | Polyamide lenses | Wipe lenses with a microfiber cloth; avoid abrasive cleaners and solvents; store in a protective case when not in use.