Dishwasher Clean/Dirty label

We kept having trouble working out if the dishes in the dishwasher are clean or dirty (we pre-scrub them before putting them in), so I made this slider so we would know if it was clean or dirty :) probably only a problem for my household, but happy to help anyone else if they have this problem too!

can also be used for toilet bowls (clean/dirty so you dont drink from it) or laundry washing machines (because you cant tell if it's wet from peeing yourself/vomiting when drunk, or if its cleaned