Market Street Double-Sided Cardstock 12"X12"-Nob Hill Glimmer My Minds Eye-Market Street Double Sided Cardstock. A wonderful addition to all your paper crafting projects! This package contains twenty-five 12x12 inch double-sided sheets with a different design on each side (all twenty-five sheets are identical). Comes in a variety of designs. Each sold separately. Acid and lignin free. Made in USA.