From the Knit Rowan website:
Designed by Elinor Voytal in Kid Classic and Summerlite 4 ply, it also features an oversized Swarovski CREATE YOUR STYLE pearl trim. It would be suitable for the knitter with some experience.

Finished dimensions:
Completed bag is approximately 32 cm (12½ inches) wide at base and approximately 34 cm (13½ inches) deep.

Yarn Information:
Photographed in Rowan Kid Classic
A - Feather 828
2 skeins

and in Rowan Summerlite 4 ply
B - Still Grey 422
1 skein

Swarovski Create your Style Beads:
(1) pack of Swarovski Silver Selection 9825101-00021
(containing faux pearl beads and 5mm faceted crystal beads – 126
beads in total)

Extras:
Piece of lining fabric 40cm by 70cm (15½ inches by 27½ inches)