Crochet Today blurb: “Felted Granny Squares make a fun flap on this generously sized messenger bag, perfect for school days or any days.

Additional gauges:
18 sts and 19 rows = 4” in single crochet AFTER FELTING

Granny square = 8” x 8” BEFORE FELTING

Granny square = 5.5” x 5.5” AFTER FELTING