1.Material:This bands aking set will pass a long time th your tool.4 sizes: 6mm, 12mm, 18mm, 25mm. Good quality, strong and dural, which is better to sew it on.^ 2.Widely Application: The Bias Appliance can be widely used in various leather goods, custom quilting, home decoration, DIY and much more. A useful tool for your daily life.^ 3.Bias Devices Easy to use: 1. Cut the bias strips on the fabric at 45 . 2.One straight upward facing upward strip in the wide end of the tape, use an awl to pass the fabric through. 3. Pull the tape and press the folds into the iron, ready to be sewn or glued.^ 4.Advandage: The seam bias is to facilitate your sewing, for the fabric is stretchy and works more easily when sewing curves and angles.^ 5.Simple Operation: This is a sophisticated tool that works well for crafting crafting. Automatically folds the fabric into two halves, forming a strip in minutes, quick and easy.