Package Content4 sets of 6mm, 12mm, 18mm and 25mm bias brackets, good quality, sturdy and durable, more suitable for sewing. [Benefits] Sewing slants is easier to sew because the fabric is stretchy and easier to use when sewing curves and angles. WIDE APPLICATION Using this sewing bias allows you to place curved diagonal tape without wrinkling the fabric, suitable for bracelet making, fabric gluing and other DIY projects. MaterialThis slanted combination is Made of high quality plastic material, which is ergonomically designed and does no harm to your hands. [How to use it] Here is how to use it, see Figure 2.1 for details. Fold the top of the strip 45 and thread it through the diagonal binding. Use your fists to help pass. 2. Remove the fabric strip, keep both sides of the fabric strip symmetrical, and iron it with an iron. Product Description -- Twill weave is ideal to achieve a neat finish and is very useful and is available in a variety of sizes 6mm, 12mm, 18mm and 25mm to suit different fabrics. --Precision tool for a quick and easy fabric folding. Do some storage and ironing. --- The polarizing unit is easy to store and carry. specification material: plastic package includes 4 sets of bias binding