All new 2-1/4" single fold Grunge Quilter's Bias Binding - Purple from Moda's Grunge collection by Basic Grey. Now you can easily create that perfect binding for your quilt while co-ordinating with your favorite Moda fabrics. To determine how much bias you will need, add the width and length of the quilt together, multiply by 2. Add at least 12" for turning corners and overlapping at the end. Comes in a range of different colors. See the entire collection here.