Opaque, thick paste with matte, patina-like finish. hard and permanent, yet flexible, when dry. perfect for creating patina texture and adding dimension, great for steampunk, grunge and masculine project. for best effects apply 3 colors of the paste with a sponge, palette knife, texture tool or paintbrush. water-based. archival-safe. non-toxic. DISCLAIMER: This product is not meant to be stored unopened indefinitely or be exposed to extreme temperature variances. Once opened, the product has to be maintained or it will lose its effectiveness. Store in an air tight container.