CHANEL Eyeglasses: Square Eyeglasses, acetate & calfskin 。The Chanel 3305-B A C 714 is a women\'s semi-cat eye eyeglasses frame, notably featuring jewel embellishments on the temples. Key Features and Specifications Design: The frame has a semi-cat eye or butterfly shape, often described as elegant and featuring jeweled accents (Swarovski crystals) on the sides. Material: It is made from a combination of acetate and metal, providing both durability and a polished look. Measurements: Standard sizing for the frame is 54-17-140: Preowned, frame is in great condition