this project is based off the size of your particular casserole dish. The measurements will need to be filled in accordingly. These are guide lines intended to help you work through figuring out your own dimentions. they are by no means exact.
Step 1: What you will need
Lining less than a yard
Casserole dish with lid
Zipper (2 x width )+length + 3"
or zipper off the roll works well, less than a yard needed.
webbing yardage needed is (Width x 6") + (depth x 4") + 2" for join *a little extra is good.