NATULON Plus is a step-up in sustainability over standard NATULON zipper. Tape, teeth, cord & thread: made from recycled PET. With this increased use of recycled material, NATULON Plus zipper contributes to the sustainable development. The chain of pucker resistant soft tape zipper is lighter and softer than coil zipper size #3 with standard pucker resistant tape. With tape weaving structure improvement, tape crease could be reduced after the zipper sewn on the fabric. (Anti-Puckering). It is suitable for garments with lightweight fabric.