Now this is math you'll enjoy. 3 squares + 2 rectangles = your next favorite bag! A simple, no fuss, striped garter stitch pattern that shines with geometric delight. The Leyla Bag is made of just 3 mitered squares. Whip stitch them together, add a small flap and strap, attach a button and you are good to go! Pick colors for your favorite sports team to show your team spirit. Pick your favorite fashion colors to match any outfit. You will want to knit up a bag for every occasion.