The color matching RUNPACET masterbing color is pure, uniform and consistent. This product complies with the QB 2357-1998 polyester (PET) non-steam beverage bottles, QBT 1868-2004 for polyethylene terephthalate (PET) carbonated beverage bottles, QBT 2665-2004 for hot-filled polyethylene terephthalate (PET) bottles; the product is FDA certified.