Performance Blown Hand Film. Sigma Classic blown hand film is our best selling, general purpose hand film. This versatile film’s unparalleled puncture and tear resistance makes it easy to use and reduces film breaks. The outstanding cling package keeps the wrap intact with no tails. Classic has a wide range of sizes and gauges to handle all applications. The stretch, load retention and toughness of blown film ensures protection for regular loads and extra protection for those difficult to contain pallets.