Static Storage Tanks



Our Static Storage Tanks (also known as a pillowbag internationally) are suitable for the temporary storage of water and many other non-hazardous liquids. Available in sizes of up to 100,000 litres and made from Thermoplastic Polyurethane, Static Storage Tanks can be used for a variety of purposes.

Thermoplastic Polyurethane

Thermoplastic polyurethane (TPU) is a class of polyurethane plastic with many properties, including elasticity, transparency, and resistance to oil, grease and abrasion. Technically, they are thermoplastic elastomers consisting of linear segmented block copolymers composed of hard and soft segments. TPU is not toxic; is safe in many applications. It is even used in biomedical applications.




  • Available in Sizes up to 100,000 + Litres
  • 100% Food Grade contact materials
  • Ideal for Outdoor Use
  • Ideal for Emergency Fire Fighting
  • Ideal for Emergency use in Drought Affected Regions
  • Capable of Storing a Huge Range of Free Flowing Non-Hazardous Liquids, both Food Grade and Non Food Grade
  • Static Storage Tanks are Manufactured in our ISO9001/ ISO22000 Quality Assured Plants with Strict Raw Material Testing, QA Procedures and Controls



  • Food Grade TPU Material Offering Excellent Moisture (WVTR) Properties
  • High Strength Woven Polypropylene Fabric
  • Polypropylene 3” Filling/Discharge Valve


  • Optional Ground Sheet available
  • Several Tanks Can be Linked Together to
    Load via One Inlet / Feed
  • Additional Valves, Vents and Drains can be
    Placed on the Storage Tank

100,000 Litre Flexible Storage Tank

SIA Flexitanks have developed an extra large static storage tank with a maximum capacity of 100,000 litres. This large storage tank provides liquid storage solutions to a range of bulk liquids. For example, the tank can be used by events companies to provide portable water storage for concerts, festivals and many more event.

SIA 100,000 litre Static Storage Tank


    • SIA Static Storage Tanks are Cost Effective
    • They are Reusable
    • An On-Site Fuel / Water Static Tank Can Save You Time and Money
    • Minimal Environmental Impact – SIA Flexitanks are committed to Minimizing our Environmental Impact.
    • Static Storage Tanks are Cheaper than Steel Tanks and Easy to Install
    • SIA Tanks are FDA, EC standard and Kosher Approved

SIA Flexitanks are a member of the COA – Container Owners Association, meaning that we are committed to safe, reliable and sustainable operations and strive for the highest industry standards.  SIA Flexitanks are ISO 9001:2000 and FSSC 20000 certified.

A Range of Flexible Storage Tanks by SIA Flexitanks


To find out if your product can be transported using a flexitank, please email our team at


Additional SIA Products

SIA Flexitanks