Heat Shrink Tubular Sleeves (TS001) which have an irradiated polyolefin backing coated with hot melt adhesive on the inside which can effectively bonds to steel substrates, such as flanges, casings, bell and spigot joints and other high profile couplings. Being A single piece, it is easier to install as compared to the wraparound design and offers higher integrity of protection. The adhesive coated sleeves can be used with or without Primer, depending on the application.