The 'Le Musee' line features beautiful new cards from French publisher Editions Du Desastre. These cards highlight paintings from museums around the world and are filled with gorgeous color and gold foil detail! The Gas Heart is by Sonia Delaunay, know for bold patterns and vivid colors. Cello wrapped 5-1/8 x 5-1/8" card with natural envelope. Blank inside for your own message.