From the Knit Rowan website:
Knit this ladies long line tunic dress, with all over lace pattern, the members exclusive free pattern for July 2015. Designed by Marie Wallin using the beautiful yarn Cotton Glace (cotton), this tunic has a wide neck, drop shoulders and deep ribbed welt.

Finished width dimensions:
54.5: 59: 68: 72: 81 cm
21½: 23: 27: 28½: 32 inches

Yarn Information:
Photographed in Shell 845
16, 18, 20, 22, 24 skeins
2000, 2250, 2500, 2750, 3000 yards