The Echotape Vinyl Vapor Barrier Seam Tape is a 3 inch x 180 foot roll of adhesive material designed for crawl space sealing. It is white in color and suitable for use on floors, poly liners, and plastic surfaces. The tape is mold-resistant, mildew-resistant, and water-resistant, making it an ideal choice for sealing floors and preventing moisture intrusion. Manufactured in the United States, this vapor barrier tape is a reliable and high-quality product for industrial and commercial applications.