http://goo.gl/STUCFH <br />TYGER STYLE = Made from soft white polypropylene that knots very easily. <br />TYGER STYLE = Mildew, rot and moisture resistant. Twine dispenses directly from the carton. <br />SISAL STYLE = Natural fibers grip firm and is naturally biodegradable. <br />SISAL STYLE = Has great knot strength and is great for ball and bagging nursery stock.