Proudly engineered and manufactured across North America, Sigma Stretch Film delivers precision and performance you can trust.

Machine Films
Our machine stretch films deliver reliable load security, reduced waste, and seamless performance—built to keep your packaging line moving efficiently.
Sigma Summit
Cast Machine Film
Sigma’s top-selling one-sided cling (OSC) cast film is built for high-speed applications and versatile load profiles. OSC ensures clean separation in storage and transport, making it ideal for bagged or boxed products, mixed pallets, and a wide range of automated wrapping needs.
Sigma Evolve
Cast Machine Film
Sigma’s ultra high-performance film is built for high-speed, demanding applications. Its polypropylene-enhanced formula resists tears, supports down-gauging with Rite-Gauging®, and features one-sided cling for clean separation—ideal for high-stress, inboard load containment.
Sigma Vortex
Blown Machine Film
This durable multi-layer blown film is designed for high-speed, heavy-duty applications. Its stiff, puncture-resistant formula secures tough A, B, and C loads, with the potential to down-gauge while improving containment and ensuring clean separation with one-sided cling.