Create double color crafts using these sturdy cardstock sheets with a different color on each side. Make colorful frames, greeting cards and invitations. Cut shapes to add a "POP" of color to any art activities. The possibilities are endless with this basic craft base. The set includes 100 double-sided sheets (8" x 9" or 20 x 23 cm) in assorted colors and an idea guide. Acid-free sheets are recommended for children ages 4 and over.