It's a playmat, not a panel, but it works well as a panel, I think anyway. I got it from my friends ebay store. Here is the link. If you message Valerie (Dandylion Fabric), please tell her Joanne pointed you in her direction. Thanks
https://www.ebay.com/sch/m.html?_ssn=islandnw&LH_PrefLoc=&_from=R40&_trksid=p2499338.m570.l1313.TR2.TRC1.A0.H0.Xsusybe e+fabric.TRS0&_nkw=susybee+fabric&_sacat=0