A step by step tutorial for how to make a square bottom bag or purse. This basic tutorial can be used to make any size bag – a larger size makes a perfect reusable grocery shopping bag. Pellon 50 Heavyweight Stabilizer By The Yard This is heavyweight sew-in interfacing. Perfect for home decor, crafting, and handbag projects. Sew onto medium to heavyweight fabrics. Just Arrived - Today's Newest Fabric Collections! Holiday Projects The Elsie K. Baglet Pattern from StudioKat Des