Plastic coil binding also known as Spiral Binding or Color Coil or Spiral Coil allows a book to lie completely flat when opened cover to cover (360°). The multiple hole format makes the binding extra strong and the plastic coil’s “memory” resists bending, making Plastic Coil great for mailing!

6mm (1/4)    to 50 mm (2 inches)  coils    black, white, clear and multi colored .

Special  55 mm  heavy coil  2 holes per inch.