You are buying 20 no of 1m strips on this high quality fire strip. Free delivery to any UK address The product is a 6x30mm self-adhesive intumescent fire strip cavity barrier, manufactured by Envirograf in the United Kingdom. It is designed to provide a barrier to fire spread within cavities, helping to prevent the spread of fire in residential and commercial settings. With a total of 20 units included in the pack, this product offers a reliable and effective solution for enhancing fire safety in various environments.