Available in Gloss and Satin finishes, Polyurethane Varnish provides a tough and durable coating to bare wooden surfaces that protects against scratches and stains. The formula is non-yellowing. Suitable for bare wood only. Coverage Approx. 2.23m per pack. Drying time Thoroughly dry in 1 hour. PKT591 varnish has the following specification Finish Gloss. Colour Clear. Pack Size 400ml.