PVC SPIRAL RING FOR BOOK BINDING COIL BINDING CALANDER PROJET REPORT BINDING 8mm to 60mm COLOR WHITE BLACK AND NATURAL Unleash your creativity with our PVC Spiral Rings for book binding, available at DDSKART.com. Elevate your projects with durable and flexible binding solutions that ensure smooth page turns. Explore our range for customization options and secure your choice for professional book binding like never befor