3M Secondary Liner 4994, White, 54 in x 360 yd, 3.2 mil, 1 roll per caseGeneral Information Brand 3M Country Of Origin United States Sold As Case Lead Time 20 days California Residents Proposition 65 Warning Dimensions and Specifications Maximum Operating Temperature (Fahrenheit) 250 Degree Fahrenheit Minimum Operating Temperature (Fahrenheit) 40 Degree Fahrenheit Overall Length (Imperial) 360 yd Overall Length (Metric) 329. 18 m Overall Width (Imperial) 54 in Overall Width (Metric) 1371. 6 mm Primary Liner Thickness