All thread cards and organizers are printed on heavy board and bear the names of towns in Normandy which was the linen producing region of France. This region was known for its cotton mills. In the past, linen thread was mainly sold on this type of card. All of the sets include 6 thread cards in a variety of colors. Includes six Eiffel Tower cards, each in a different color. Size:  5.5 x 5.5 cm (2.16 x 2.16 in)