The steel back with only two formats.
Cover of which you can tear off the front and back sheet.
Ideal for binding with your own coversets or our custom cover.
Only 3 spine sizes reduce your cover stock. Small, Medium and Large.
Uniback: 11 et 8 ½
Spine size S M L Number of sheets (80g) max max. 40 max. 80 max. 120 Quantity per box 100 50 50