Durable. 40% Castor Bean Oil, Injected Frame. 44% Plant-based Lens. 4-Base Lens Lens. No Screw Hinges. Contents: 1 Storage Bag. Packaging: Pouch. 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.