Ile De La Réunion Demandes

we print on carbonless paper we are looking for a paper supplier for cb/cfb/cf in 32x 45 cm or 32.5 x 45 cm format

I have a square cardboard box whose dimensions are: 22×22×7 cm. I would like to fill it with a cardboard box that would leave a compartment with a custom shape.

i am looking for A4 white paper