Gutermann Miniking rPET 1000m is a universal sewing thread made of 100% recycled polyester. It is suitable for use with all household, overlock, and coverstitch sewing machines. This versatile thread is ideal for overlock and coverstitch seams, as well as closing and backstitch seams. It can also be used for fine ornamental stitches and decorative seams. Gutermann Miniking rPET is compatible with all types of fabrics, including woven fabrics and many other materials.