Reach Compliant Ink for European Customers. Formulated differently than the USA formula to be EU reach complaint. Xtreme 5-Pack Opaque Gray Set. Brand: Xtreme Ink Type: Ink set Color List: Opaque gray extra light, Opaque gray light, Opaque gray medium, & Opaque gray dark. Sizes: 1/2-oz, & 1-oz MADE IN USA