From the pattern website:

Crochet gauge:

Ch-loops: 6 ch-loops x 5 rows = 10 x 10 cm.
Treble crochet (tc): 12 tc x 4.5 rows = 10 x 10 cm.

Finished measurements:

Bust: 80-90-96-106-116 cm
31.5” - 35-3/8” - 37.75” - 41.75” - 45-5/8”
Hem: 66-76-84-94-104 cm
26” - 29-7/8” - 33” - 37” - 41”

Drops Design 82-2 is “Crocheted Top and Hat in Paris, and Flower Brooch in Muskat “. Information above is for the top. Click for links to the hat and brooch.