1Specification:50" X 10Y/+45°/-45° biaxial fiberglass fabric. 2 Product:uniform strength and stiffness throughout. 3 Features:Non-woven construction allows for more conform-ability of the material. 4 Widely used:Used for boat construction, wind turbine blades, snowboards, skateboards, skis and auto body repair. 5 Tip: We often fold pre cut materials in the production process, folding does not damage the glass fiber. Glass fiber is very flexible, very tough!!! Anyone with experience will agree that this allows us to maintain competitive market prices while maintaining high quality product quality.