Bubble Roll, Bubble Roll Type Heavy Duty, Perforation Non-Perforated, Bubble Size 1/2 in, Roll Width 12 in, Roll Length 250 ft, Color Clear, Rolls per Bundle 4, Material Nylon, Polyethylene, Core Size 3 in dia, Roll Dia. 41 in, Roll Weight 3.5 lb, Bundle Weight 27 lb, Recycling Information #4, Temperature Range 0 Degrees to 110 Degrees F, Min. Temperature 30 Degrees F, Max. Temperature 90 Degrees F