Fray Block is by June Tailor and is about $7 a tube. I like it better than Fray Check as it dries soft, goes thru the washer & dryer easily, and doesn't stain the fabric or leave lumps that can be itchy in a garment. A tube will last me several years as you only dab it on. You can find it at most big box stores including JoAnn's, Hancock Fabrics, and Wal-Mart.
Marty
Brighten each corner where you are ... smile!