Learning how to sew on a zipper may sound difficult, but with this step-by-step tutorial, you'll learn to easily apply zippers to any garment piece! http://www.ehow.com/how_14842_zipper.html?utm_source=pinterest.com&utm_medium=referral&utm_content=freestyle&utm_campaign=fanpage
No excuse not to make such a simple label. Finish the bias edge with the same fabric as the binding. Then tuck the other two sides into the corner before applying the binding. Hand-stitch the long edge down. Done.