Originally Posted by
Murphy224
These are the ones I bought. My fabric has been on the boards about 3 years now and no problems. If you read the reviews, you will find that quite a few people are using them for fabric. These are acid free and treated with calcium carbonate.
https://www.amazon.com/BCW-BBMAG-Mag...ic+book+boards
You can buy from BCW direct. I'm not sure if there is a price difference than buying on Amazon, but it might be worth checking. I bought some boxes for oversized patterns from them several years ago. They did a good job with the order.