Heavy Single-Sided Fusible Non-Woven Polyester Interfacing, Craft Fabric | 11…
What is Fusible Woven Interfacing?. Fusible woven interfacing is actually a “normal” piece of fabric with warp & weft threads that are woven together in the traditional way. A layer of adhesive glue is applied to one side which will adhere to other fabric once an iron is applied.