250/500mm x 1335metres x 15micron Polyolefin Shrink Film. Polyolefin shrink wrap film is a very cost effective packaging choice that is strong, shape conforming and tamper evident. Polyolefin shrink film is clear, elastic, and has a smooth texture. Polyolefin shrink wrap film is very popular for shrink wrapping food, as well as a wide variety of retail products. Polyolefin shrink wrap film also makes it excellent for packaging multiple products together. Polyolefin shrink film requires a higher temperature to shrink than pvc shrink wrap film and works best with most one step shrink wrap systems.