Ultra-thin glass fiber cloth， the thickness of only 0.03 mm， weight of only 30 grams per square， particularly the requirements for light weight model aircraft reinforced using 1 m × 1.27 m.->Weave style: Plain->Thickness: 0.008"->Density: 1 oz/sq yd.->Width: 39" Long：50"Glass will has the same working qualities as a standard E-glass， however you will gain an approximate 25-30% increase in breaking strength. Used in applications where the most possible strength is required while keeping weight to a minimum.This product is hand-cut， there may be 1-2 centimeters of error， and the lines will be cut at irregular.