Binding & Cover Limitations for Books & Booklets Books with no cover and binding - only trimmed pages. Max. full bleed size of pages: 484mm x 322mm for colour printing, 314mm x 454mm for black & white and mix (both colour and black & white) printing. Min. full bleed size of pages is 74mm x 74mm Trimmed pages/ Druk bloku książki + cover (without binding). Cover size (flat size with bleed) cannot exceed: 484 x 322 for colour cover 314 x 454 for black & white cover Depending on the chosen binding method (saddle stitching or perfect binding), cover size is calculated either with or without a spine. Perfect Binding Min. page quantity: - 20 for cover's grammage <= 200g/m² - 60 for cover's grammage > 200g/m² Max. page quantity: - 60 for cover's grammage < 200g/m² - 80 for cover's grammage = 200g/m² - for covers with grammage higher than 200g/m² and all black & white covers maximum book thickness is 45 mm Colour covers are only single side printed. Spine length not smaller than 135mm. Max. grammage: 115g/m² Saddle Stitching Max. page quantity depends on the book width and paper grammage. For 90g/m² grammage: - 40 pages for book width < 120mm - 60 pages for book width >= 120mm - 70 pages for book width >= 140mm - 80 pages for book width >= 165mm - 100 pages for book width >= 200mm Max. page quantity declines proportionally to increase in paper grammage. Spine length not smaller than 140 mm Punching Holes (for ring binding) Spine length not smaller than: 130 mm for 2 D-Ring Binder 290 mm for 4 D-Ring Binder Hardcover Hardcover is available only for book sizes cited in specification. Min. page quantity: 20 Max. grammage: 115g/m2