To create such this hat you shall know how to make:

-chains
- slip stitch
- single crochet

MATERIALS and TOOLS you will need to crochet bag:

-Any raffia yarn, about 380 yards (350 meters). In my example, I using raffia Ispie, Autumn color,
-Hook 2.5 mm,
-Hook 2 mm,
-Beads, diameter 16 mm, hole 2.5 mm, 167 pieces, 
-Beads, diameter 8 mm, hole 2 mm, 50 pieces,
-Scissors,
-Plastic needle with large eyelet,
-Iron.

Gauge: 16 stitches and 16 rows = 4*4 inches (10*10cm).

Finished bag from the specified materials: length - 10 inches (25 cm), width - 
1  1/8 inches (3 cm), height - 16 inches (40 cm). Handle length - 21  1/8 inches (54 cm).

You can view this master class and, based on it, change the number of beads and the shape of the bag.