This is the traditional crepe paper backed super heat seam tape. 4" wide (100mm) and 66' (20mtrs) long. The Crepe backing offers additional installation from heat loss to the floor. The 11 beads of strong adhesive will give a strong adhesion to very high standard. The heat iron should be set between 2-3 to melt the glue effectively. Manufactured to a high standard that we can guarantee.