Sold as 1 Each. Transparent, double sided tape is.039 inches thick and holds up to 30 lbs. per roll or 4 inches per each 2 lbs. of weight for discrete, heavy duty mounting applications. Permanent application that works on a variety of surfaces including metal, glass, wood, concrete, brick, tile and ceramic for an easy alternative to nails, screws, staples and glue. All weather mounting tape withstands high temperatures up to 200F (93C) for extreme hold during indoor/outdoor use and is weather UV resistant for year-long durability.