TB Square Sunglasses in Black - Women | Burberry® Official。Burberry BE4216 sunglasses, a popular cat-eye model from the brand\'s Regent collection. Product Specifications Model: BE4216 (also identified as 4216-F or B4216). Frame Style: Cat-eye shape made of polished black acetate. Lenses: Typically features grey gradient lenses with 100% UV protection. Some versions offer polarized lenses. Design Details: Gold-tone metal accents at the hinges and the iconic Burberry tartan pattern on the temples. Dimensions: Standard sizing is 57mm lens width, 16mm bridge width, and 140mm temple length. Stylish black sunglasses with a Burberry case. Includes original packaging and booklet.