Perfect for borders, matting pictures, personal die cut machines and punches. Stacks feature an assortment of printed and solid color cardstock ready to use as is or to embellish with paper punches, fancy edge scissors and stickers. Stack sizes range from 3.875″ x 3.875″ to 12″ x 12″. Acid and lignin free. Archival safe. Creating Keepsakes approved!