Rough surfaced 3 - stranded twisted sisal rope is made of Agave (plant) fibres, and is almost unstretchable. Sisal rope is a natural product. Thicker sisals are good for crown molding, and covering pillars for example; less thick for cat scratching posts, and handicrafts for example. 8 mm * 20 m. Breaking strength is 430 kg. Not ideal for outdoor use. Will decompost.