How do you say, 'Cardboard Only' 'Trash Only'

Question

we need 2 signs to post in our garbage room. Cardboard Only Trash Only

Answer 1

" Cartón solamente" and " Basura solamente" should do the trick

cartón - lorenzo9, Jul 20, 2011

I checked several sites the tilde seems optional but i do prefer the tilde - pacofinkler, Jul 20, 2011

Answer 2

I wonder how many they sell with misspellings!

Answer 3

Perhaps you could also say:

"Sólo cartón" and "Sólo basura" so that your letters don't have to be so scrunched up.