PresTax® is a superior, pH neutral, pressure sensitive mounting board that is simple, fast and economical to use. It requires no tissue, no heat and no special equipment, making it a must for people in the photographic fine art or commercial art fields. Simply peel back the release sheet, position the artwork or photo, and firmly press down, smoothing over the entire surface. Ideal for mounting fine-art prints, watercolors, photos and more. Available in three thicknesses: lightweight, medium weight and heavyweight.