Siva is a leading supplier of high performance film for print and conversion into courier envelopes, mailing bags and bespoke bags for more specialist applications and processes. All are designed to provide a reliable packaging solution for retailers, publishers courier and delivery operations.


Siva’s bags are supplied in a multitude of configurations, including a variety of colours and options. We offer options including secure opacity, one-way or returnable seal strips, easy open applicators and tamper-evident seals.

We supply courier and mailing bags that are configured to suit every application and with a number of print options, including the following specifications:

  • Colour Choice : One to eight
  • Ink Formula : Durable
  • Ink Formula : Food Grade
  • Ink Formula : Lamination
  • Ink Formula : Thermal
  • Ink Formula : Weatherable
  • Repeat Length: 1200mm (Infinite Range)
  • Repeat Width: 1600mm (Infinite Range)


This type of packaging is most commonly used for, but not limited to, the following applications by our customers:

Courier bags
Mailing bags


  • Co-ex films
  • Mono layer films


We’re able to meet a range of different technical configurations to meet the specific needs of every product and operating environment.

  • LDPE (Low Density Polyethylene)
  • LLDPE (Linear Low Density Polyethylene)
  • MDPE (Medium Density Polyethylene)