The Cinch Book Binding Machine by We R Memory Keepers makes book binding quick, easy and affordable. Punch perfect holes with customizable hole spacing on any size project. Then thread the covers and pages onto the Cinch binding wire. Finish it all off with these elastic book bands! They'll keep your projects closed so you can take them in backpacks, purses, and other bags. This package includes 1 pink, 1 lilac, and 1 blue elastic book band. Imported.