SULLIVAN USA-Fray Stop 10.5ounces. Prevents unraveling of fabrics and thread slippage. Eliminates over-edge stitching and reduces seam failure. Fast-drying. Fray stop is like fray check in a can. Ideal for taming edges for applique narrow hems loosely woven fabrics and more. Contain 10.5ounces. Danger: Extremely flammable. Keep out of reach of children.