Bondex Iron-On Twill Rug & Canvas Binding 2"X 2 Yards. Keeps rugs and needlework canvas from fraying. Machine washable. Easy Directions - Set iron on cotton setting. Fold binding in half and insert rug edge into binding. Place iron on binding and hold down firmly for 30 seconds while sliding across area. Allow to cool 10 minutes before testing for good set. Repeat if necessary. 100% cotton. Oyster.