Rustins POGC2500 Polyurethane Varnish Gloss Clear 2.5 Litre. This is a tough and durable clear varnish with a gloss finish, suitable for all woodwork and cork. Apply 2-3 coats for the perfect finish, with re-coating time between 2-8 hours. It can also be applied over Rustins Wood Dyes. This varnish conforms to the Toys (Safety) Regulations 1995 BS:EN 71 Part 3 and is resistant to alcohol and boiling water. Available in sizes: 250ml, 500ml, 1ltr and 2.5ltr.