These are black square sunglasses from the Alexa Chung X Sunglass Hut collection. The model number is HU 4004 704/11 and the lens technology is tinted plastic. The frame is made of plastic and acetate and features full rim. The temple length is 140 mm. These unisex sunglasses have a solid pattern and black lenses. They are not vintage and were made in China. Comes with Alexa Chung carrying case.