Gram weight :16 Oz Size:50 inch X 5 Yards Epoxy and Polyester Compatible Uniform strength and stiffness throughout Non-woven construction allows for more conform-ability of the material Used for boat construction, snowboards,wind turbine blades , skis，auto body repair and skateboards 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.