Number of colours / measurements? While we do manage a range of different thicknesses and colors, if we don't have inventory of one's unique need, it can typically be sourced for you personally rapidly and affordably. Our Correx boards are printed to quality technical specs and can be found at https://www.indigosupplies.com/blogs/news/protect-floors-and-surfaces-with-correx%C2%AE-temporary-floor-protection