These Art Cards are printed on high quality, 17pt cardstock, sturdy enough to paint or color on, then frame and display! These allow the user to pick their own color key, and then fill in the artwork with their choices. Creates a unique masterpiece every time! They take up little room on your shelf, and are 5"x7" to easily fit a frame and holder. Markers, colored pencils, watercolor and crayons work amazing on these thick cards.