Plastics & Gallstones What Plastics Can I Use For Guinea Pig Cage?

What plastics can I use for guinea pig cage? - plastics & gallstones

All sides seem Coroplast Guinea Pig recommend plastic floor that is difficult to achieve. Are there any other plastics that can be used? I am also the baseline with the newspapers? What about the use of wood or wood for the floor? Is it not a good idea, because the urine in the woods? Thank you!