your best guess. you can always melt more wax, if you end up needing it.
while you’re waiting for your wax to melt, cut your food wraps out of your fabric. i had specific containers that i wanted to make wraps for, so i spread my fabric out on the table, face down, and traced around those containers. then, i added a couple inches to those measurements to be sure the wraps would overhang the containers.
once that was done, i cut my wraps out with a pair of pinking shears. if you don’t have pinking shears, a pair of scissors will do just fine.
i made round wraps for my mixing bowls, 