Fenwicks Windowise Scratch Remover - 100mlFenwicks Windowize has been developed as a result of customers requests, for a simple but effective product that lasts.Fenwicks Windowize will remove light scratches and hazing from plastic and acrylic windows.How to use Fenwicks WindowizeStep 1: Shake well, twist cap, apply a small amount to a soft cotton cloth.Step 2: Buff in a circular motion, using enough pressure to remove the scratches or haze.Step 3: Wipe away the excess to leave a bright clear window. Deep scratches may be removed by using Fenwicks abrasives before using this product.