Standard thickness, length cushioningDimensions: Diameter 15.7 inches (400 mm) x Width 11.8 inches (300 mm) x Length 14.2 feet (42 m) Material: Polyethylene; Grain Height: 0.1 inches (3.5 mm) Bubble Diameter: 0.4 inches (10 mm) Unit / 1 roll / Manufacturer Part Number: 4208-8813 * Due to the characteristics of the product, the grain height may be slightly lower at the center area.