Pinata colors are beautiful, highly saturated, acid-free, transparent inks. They are alcohol-based, indelible and moisture- resistant when dry. That means you can work freely on most any clean surface. Use in fine arts, scrapbooking, crafts, faux stained glass, card making, faux finishing techniques and staining wood and leather. This package contains nine 0.5oz bottles of alcohol ink in assorted colors. Conforms to ASTM D 4236. Made in USA.