Mutual Industries Orange warning barrier fence measuring 4 x 50 is ideal to use in construction sites and is made from plastic. Mutual Industries Orange warning barrier fence can be installed easily and is easy to handle. Fence measuring 4 x 50 is highly visible and is used for construction applications haz mat crowd control and more. • 4 x 50 . • Material: Plastic. • Extremely versatile and economical construction site safety fence. • Easy-to handle as well as install. • Highly visible and is ideal for all construction applications as well as Haz Mat crowd control and many other uses. • Sold as 1 Roll.