Cuprinol Garden Shades Tester Pot 125ml Great for a small project or testing the colour before a larger tin purchase Cuprinol Garden Shades has been specially developed to colour and protect sheds, fences and other garden wood. Its special pigments ensure a rich colour and allow the natural texture of the woodgrain to shine through. 4 year protection. For use on all garden wood. Matt finish. Brush or Spray. How much do you need? 125ml covers up to: Smooth planed wood Brush: 1 square metre Spray: 0.5 square metres Rough sawn wood Brush: 0.5 square metres Spray: 0.25 square metres Coverage can vary depending on application method and the condition and nature of the surface.