Delve into your favourite book with these Storm Reading Sunglasses Choose from four lens strengths: 1.50, 2.00, 2.50 and 3.00 Tortoiseshell design  Small and lightweight to keep in your handbag  Handy to keep at the office, in the car or in a suitcase Features a comfortable nose rest Combine style and function with these Storm Reading Sunglasses for 7.99 pounds