Separate rug surcingles to replace missing ones. Using surcingles on a rug ensures that a rug stays neatly put on the horse. Blanket surcingles to replace missing ones. Using over-straps on a blanket ensures that it stays securely in place on the horse. Composition: 100% polypropylene. Haberdashery material: stainless steel. Adjustable over-straps. Adjustable from 71 cm to 138 cm. Sold in pairs.