Ranger Tim Holtz Alcohol Ink Hard Core Art Panels 5"x 7" 3pc- Double-sided vinyl with an Engineered-Wood-Rigid-Core MDF board offering an ideal surface that remains rigid and flat. Vinyl is mounted with a pH neutral, non-yellowing permanent adhesive which creates a ready to use bright white, lightly textured surface. A versatile substrate for fine art and mixed media techniques using: alcohol inks, pearl inks, mixatives, blending solutions, and more.