Abstract: PKU pro is the only product of its kind that adds increased accuracy to assist with proper functionality for PKU cards, by not allowing the blood to go outside the designated circle area which is achieved through the use of a laminated area outside of each perimeter. This unprecedented products is uniquely designed with medically safe lamination film, durable materials to ensure long-term sustainability and, ultimately, serves to ensure a time efficient and safe means of conducting PKU tests for kids.