Pellon® 810 Tru-Grid® 45" x 10 yards Bolt. Color: White. Fiber Content: 100% Polyester. Application Method: Sew-In. Tru-Grid™ has an accurate 1” graph that allows you to create, duplicate, alter, and enlarge craft designs. It cuts, sews, and gathers like real fabric. Tru-Grid™ stays “true” to the straight of grain, is strong yet sheer, can be basted, and can even be tried on.