RANGER-Black Perfect Medium Inkpad. Black Perfect Medium was specially designed to work with Perfect Pearls pigments on light colored papers where contrast is desired. It creates a dark surface for a deeper; richer; and more vibrant colors. It also works wonderfully as an embossing ink or as a traditional stamp ink. This package contains one 3x3 inch inkpad. Conforms to ASTM D4236. Acid free; non-toxic. Made in USA.