Durable. 45% Castor Bean Oil, Injected Frame. 4-Base Lens Lens. Barrel Hinge, Keyhole Bridge, Slim Profile. Design: Chevron, Logo. Please Note: Size guide image relates to standard sizes only. Brand sizes may vary. Please Note: Group images are not representative of quantity sold. Pack quantity is listed above. This product is usually dispatched within 3 working days. Dispatch times can be viewed in the Postage and Payments section of the listing. Delivery is usually completed in 3-5 working days within the UK mainland from dispatch date. If for any reason you wish to return.