Critterfence 700 Deer Fence Garden Fencing Dog Fence 4ft X 100ft Roll 100% Polypropylene; Unique smooth rounded strand tensile design UV treated for up to 15 years in sunlight, also corrosion proof ASTM lab certified 650 pounds of breaking strength per square foot Polypropylene material is nearly invisible from a few feet away Suitable for vineyards, commercial growers, community gardens, and wherever else you may need a strong perimeter fence