Artist Trading Cards are a whole new “movement” in the art world. The idea is to create original miniature works of art- and then swap trade and collect Art Cards by your friends and other artists. Artist Trading Cards are available for just about every media; both wet and dry. There are even envelopes to hold your finished cards. These Trading Cards by Strathmore are canvas textured paper. They will work with oil acrylic drawing media- just about any art media. 10 sheets per pack; 2-1/2 x 3-1/2 inches. These are unbound and come in a resealable plastic pack.