Dyan Reaveley's Dylusions Ink Sprays are a high quality, acid-free, non-toxic concentrated colorant for porous surfaces. The Dylusions Ink Sprays' bright and vibrant palette will colorize paper, Sticky Back Canvas, wood, paper, clay and more. Use to create backgrounds on cards, scrapbook and journal pages and in mixed media art projects. Inks are acid free and non-toxic. They conform to ASTM D-4236 and are made in USA.