Ray-Ban RB4312CH-894/6B Tortoise Square Purple Mirror Chromance Lens Sunglasses Ray-Ban RB4312CH-894/6B Sunglasses Includes Box, Case, Paperwork And 30 Day Returns. The Ray-Ban RB4312CH-894/6B Tortoise Square Purple Mirror Chromance Lens Sunglasses are part of the latest Ray-Ban collection carefully crafted for men. This elegant full-rim model reflects the latest trends in contemporary designer eyewear and its square shape makes Ray-Ban RB4312CH-894/6B sunglasses the perfect choice especially for round, oval and heart-shaped faces. Features: Brand: Ray-Ban Model Number: RB4312CH-894/6B Gender: Men Frame Color: Tortoise Frame Material: Nylon Frame Shape: Square Lens Color: Purple Mirror Chromance Lens Size: 57mm Bridge size: 18mm Temple Length: 140mm UPC: 8053672920017 Ray-Ban RB4312CH-894/6B MSRP: $215