Ounce Mat: usage approx. 30K per yearChopped Strand Matt 3 oz CBMT2415 (50 or 60)Glass Type E-GlassStitch Mat:  usage approx. 42K per yearTCR MC 450-1400   50-60 inches Composed of TCR-glass chopped strands bounded with unsaturated polyester binder. Application for hand lay-up. Compatible with unsaturated polyester resins and vinyl resins for manufacture of panel, boat hulls and other FRP parts.