Pellon® HC120F Fusible Hair Canvas Interfacing 21" x 10 yards Bolt. Color: Natural. Fiber Content: 47% Rayon/27% Cotton/11% Polyester/11% Horse Hair/4% Wool. Application Method: Fusible. Fusible Hair Canvas is a woven fusible interfacing suitable for garment construction when crisp detail or firm control is desired. It is best for use with medium to heavyweight fabrics and is excellent for use in jackets and coat. Do not use in triacetate, seersucker, lace or rainwear fabric.