Cardboard sheets are available in three thicknesses, 1200um (approx 1.2 mm), 1500um (approx 1.5mm), and the stiffer 1800um (approx 1.8 mm). Sheet size is 760 mm x 1020 mm.
- 1200um are sold in bundles of 25 sheets.
- 1500um are sold in bundles of 600 sheets.
- 1800um are sold in bundles of 20 sheets.