From Debbie Mumm’s Petting Zoo line. Looks like all that’s available for sale online is the tossed words and animals print pictured on AudiobookLover’s post above this one, from two sellers on eBay:
A “2+ yard” cut currently on sale for $15.28. - This listing notes the fabric as 100% cotton https://www.ebay.com/itm/Cotton-Fabric-Debbie-Mumm-Petting-Zoo-Animals-on-Blue-42-W-2-Yard-Lot-NEW/323902466403?hash=item4b6a176963:g:6dMAAOSwlf5ccqum
By the yard at $6.99/yd - This listing says the fabric is flannel and 100% polyester (not likely, I think, with a Debbie Mumm fabric, but you never know…) https://www.ebay.com/itm/Petting-Zoo-Animals-Allover-Cotton-Flannel-Fabric-BL-/390127330602