We purchased some reusable ones from
www.piddlepads.com and they are wonderful. The top layer of the ones we purchased are a plaid print - a somewhat heavy type material and the bottom layer is a water resistant solid color material....that are just sewn together. When these finally wear out....I will be making some instead of purchasing.
You could go to their website and look at what they have and then purchase materials that are available to you.Good luck!