Osmo's Stain Kits (Colours)Osmo One Coat Only HS Plus is a semi transparent, satin exterior wood finish that colours, protects and meets the full needs of exterior wood with only a single coat. The finish enhances the natural wood grain and texture and is also microporous which leaves a breathable surface. Stain does not crack, peel, flake or blister, and is very durable, water repellent, moisture regulating, and is weather and UV resistant. Coloured Natural Oil based finish