The SEALFAST 4" x 100' black poly lined material is designed for versatile applications in construction and industrial settings. This durable material features a robust poly lining that provides excellent protection against moisture and contaminants. With a width of 4 inches and a length of 100 feet, it is ideal for various uses, including wrapping, covering, and protecting equipment. This product meets industry standards for quality and durability, ensuring reliable performance in demanding environments. Use this poly lined material for effective protection and enhanced longevity of your assets.