Acrylic aerosol varnish is useful for quick and easy protection. The product does not contain toluene, and is ozone friendly.
Appropriate for many surfaces including canvas, paper, wood, papier mache, metal, and ceramic (not for varnishing oil paintings.) Transparent and very permanent (non-removable). Waterproof coating once dry. Non-yellowing. Recommended to apply at a distance of 20-30cm in fine layers, allowing to dry between layers.