Pellon® 820 Fusible Quilter's Grid™ 45" x 10 yards Bolt. Color: White. Fiber Content: 70% Polyester/30% Rayon. Application Method: Fusible. Quilter’s Grid™ is a fusible non-woven interfacing with a 1? printed grid for precision piecing of quilting projects. It is helpful with the construction of wall hangings and quilts that utilize cut fabric squares. It makes arranging fabrics easy without the bother of pinning.