Clarke & Clarke Sail Stripe Marine Cotton Fabric Cushion Cover Clarke & Clarke Sail Stripe Marine Cushion Cover £4.99 Quantity: at £4.99 each Add To Basket 3 in stock. Clarke & Clarke Sail Stripe Marine Fabric Cushion Cover (Inner not included) The front is a gorgeous soft 100% cotton duck fabric with stripes in red, navy and blue. The reverse is a plain cream cotton blend fabric with a deep envelope opening. All edges are overlocked to avoid fraying and strengthen seams. Size approx 16" square. Machine Washable at 30 degrees.