Measure the bottom of the chairs, allow for seams.I suggest to get fabric that can be used for rain coats. You can compare the prices of other fabrics, like water proof, & etc. It's the same for the stuffing & the sheets of foam, good luck.
Login using the form on the top of the page to post feedback (if you are a registered user). If you have not yet registered, click here to do so. It's FREE!.