The Everbilt Garden Sisal Rope hard natural fiber has many characteristics of manila but offers 80% of its strength. Sisal is more economical than manila. It must be stored dry to avoid mildew. Chemicals will cause the rope to deteriorate. Provides great knot holding ability and is sunlight resistance. Warning: Do not use in situations where personal safety could be endangered. Never use this product to secure large flat surfaces or objects that could airplane. Misuse could result in serious injury or death. Features: 100% manila Holds knots firmly and stretches very little Biodegradable and recyclable Must be stored dry to avoid mildew