Strike King's SK Plus sunglasses features specifically designed TAC (Tri-Acetate Cellulose) polarized lenses for unequaled performance. The TAC lenses are stable in all weather and humidity conditions and will never compromise in optical quality. You can pay with Paypal or Credit Card. Small items are sent with Royal Mail and larger parcels with my Courier. Courier postage costs are mainland UK only (Exc Highlands & Islands), for all other areas please email or phone me for a quote before committing to buy. If you do want any other information please get in touch. Thanks for looking and happy bidding. Please note that our prices do not include any International Import Charges or Duties incurred by customers that buy from us internationally. Please take care when purchasing and double check