3M Microfinishing Film Roll 372L, 30 Mic 5MIL, Type 2, GreenGeneral Information Brand 3M Bond Type Resin Core Type Plastic Country Of Origin United States Sold As Roll California Residents Proposition 65 Warning Dimensions and Specifications Backing Thickness (Imperial) 5 mil Core Size (Imperial) 1 in Core Size (Metric) 25. 4 mm Micron Grade 30 m Overall Length (Imperial) 150 ft Overall Length (Metric) 45. 75 m Overall Width (Imperial) 0. 5 in Overall Width (Metric) 12. 7 mm Grit Non Pertinent Volume 29. 65