Here is a site where you can buy wool by the yard. It is anywhere from 60-72” wide. So several people could go together and get mats from one yard. I cut 2 saddle pads from 1 yard of the grey 1/2” wool. It has held up very well over the past 3 years.
https://www.thefeltcompany.com/f-11-...ick-x-72-wide/
Vicki in Colorado