Strathmore-Cards & Envelopes: Toned Gray. The distinctive texture and quality of Strathmore creative cards are the perfect way to personalize your correspondence! Ideal for light and dark media including graphite pencil, colored pencil, charcoal, sketching stick, marker, pens, white gel pens, soft pastel and oil pastel! Create unique, hand decorated cards for special occasions or everyday use. This package contains ten 5x6-7/8 inch blank toned gray cards with a plain edge and ten toned gray envelopes. Acid free. Made in USA.