The alcohol inks by Ranger are dye based, multi-surface inks. They are acid free, permanent, quick drying and transparent. Create a vibrant, polished effect on non-porous surfaces such as glossy paper, dominoes, metal, foil, shrink plastic, glass and others. Formulated to create a vibrant, polished stone look. Package contains three 0.5fl ounces/ 14.78 ml plastic bottles. Conforms to ASTM D 4236. Warning: Contents flammable. A precision tip is included for each bottle. Adult use only. Made in USA.