Updated on February 5, 2024


Created on August 7, 2017

ZeroFly Storage Bag

Upcoming Update

ZeroFly® Storage Bag is a storage bag with insecticide incorporated in it to prevent damage from pest infestations.

Developed By
  1. Vestergaard
Tested By
  • International Institute of Biotechnology and Toxicology (IIBAT)
  • Natural Resources Institute
  • Vestergaard-NMIMR Vector Labs, Accra
Content Partners


Product Description

ZeroFly® Storage Bag is a storage bag with insecticide incorporated to prevent damaging pest infestations. It reduces the loss of seeds or grains that can be consumed, stored for security, or sold for optimized prices. It is said to be free of the hazards associated with fumigation or the potential for pesticide residues that come from inaccurate insecticide spraying. The insecticide is incorporated into individual fibers of the bags, which provides a killing action before insects can infest the grain or seed packed in the bag.

Target SDGs

SDG 2: Zero Hunger

SDG 1: No Poverty

Market Suggested Retail Price


Market Suggested Retail Price (Secondary Currency)


Target Users (Target Impact Group)

Household, Community, Small and Medium-sized Enterprises

Distributors / Implementing Organizations

Vestergaard distribute mainly their own product, they also have partners ensuring the delivery locally

Competitive Landscape

Manufacturing/Building Method

The product is mass produced

Intellectural Property Type

Trade Secret

User Provision Model

Users can order directly from manufacturer

Distributions to Date Status


Control type

Chemicals: insecticide


Killing action on contact and through digestion

Type of pest


Species affected

12 species of weevils, borers, beetles, and moths

Recommended crop


Application cycle


Dose (kg/ha)


Land coverage (ha)



Zero Fly Storage Bag is not toxic for food consumers, operators, or the environment.

Design Specifications

The product uses Deltamethrin as active ingredient. The active ingredient is incorporated into the yarns and slowly released onto the surface, protecting the bags' content continuously.      

Product Schematics

Technical Support

The user should ensure the bag is kept clean by occasionally using a soft broom to avoid dust building on the surface.

Replacement Components

Users can purchase additional bags from the manufacturer to replace damaged bags or bags older than recommended lifecycle.


The product will remain effective for 2 years depending upon environmental conditions. At the end of a lifetime or physical integrity, it should be disposed of following local guidelines on plastic waste disposal. It could be recycled into products that have limited human contact.

Manufacturer Specified Performance Parameters

Specified performance targets:

  • Affordable: very competitive price and reusable many times over 2 years ­
  • Environmentally friendly: no need to fumigate and use chemicals during storage ­
  • Safe: reduces pesticide residues commonly found in grain and seed and decreases the risk of aflatoxin and mold build-up ­
  • Effective: proven global efficacy against key insect pests, including Weevil and Larger Grain Borer, even in the most infested conditions ­
  • Durable: proven to last for 2 years even under the toughest environments ­
  • Tailored to individual needs: available in any size from 10 to 1000 kg and in any color with customized prints

Vetted Performance Status

The product has been tested by different independent laboratories. At the Natural Resources Institute, University of Greenwich, Chatham, Kent the Khapra beetle (Trogoderma granarium) and Indian meal moth (Plodia interpunctella) adults were exposed to ZeroFly® Storage Bag samples for up to 72 hrs. Knockdown occurred at one hour and insects were dead after 24 hours. 100% mortality was observed for larvae at the end of the observation period of 14 days. Field tests were also conducted in several countries, results of a study in Ethiopia can be seen in the image, showing significantly less damage in the kernel with ZeroFly storage bags. Tests by several international institutes concluded that the bags are “effective,” insects are killed, their entry into the bags is prevented, and a ‘community effect’ is provided, by reducing insects population in the storage area.


It is not toxic for food consumers, operators, or the environment, Personal Protection Equipment (PPE) such as gloves is recommended to ensure the operator's safety. Depending on the concentration of Deltamethrin it can produce cold burning, numbness of the skin, headache, heartburn, and skin spots It has a “Food safe” classification under US & EU regulations.

Complementary Technical Systems

Vestergaard provides a wide range of products designed to improve the lives of individuals in low-income regions.

Academic Research and References

Wasala WMCB, Dissanayake CAK, Gunawardhane CR, Wijewardhane RMNA, Gunathilake DMCC, and Thilakarathne MBKS. 2016. Efficacy of Insecticide Incorporated Bags against Major Insect Pests of Stored Paddy in Sri Lanka. Procedia Food Science. 6:164-169.

Paudyal S, Opit GP, Osekre EA, Arthur FH, Bingham GV, Payton, ME, Danso JK, Manu N and Nsiah EP. 2017. Field evaluation of the long-lasting treated storage bag, deltamethrin incorporated, (ZeroFly® Storage Bag) as a barrier to insect pest infestation. Journal of Stored Products Research. 70:44-52.

Paudyal S, Opit GP, Arthur FH, Bingham GV, and Gautam SG. 2016. Contact Toxicity of Deltamethrin Against Tribolium castaneum (Coleoptera: Tenebrionidae), Sitophilus oryzae (Coleoptera: Curculionidae), and Rhyzopertha dominica (Coleoptera: Bostrichidae) Adults. Journal of Economic Entomology. 109(4):1936-1942.

Baban O andh Bingham Zivanovic GV. Impact of a novel tool, ZeroFly® Storage Bags, within multi-country field trials; controlling key target post-harvest storage pests on various commodities [conference paper]. 11th International Working Conference on Stored Product Protection.

Summary of research results from independent laboratories supported by the manufacturer.

Compliance with regulations

Other Information

In 2015, ZeroFly storage bags were the recipient of Australia’s GOOD award for innovation. and  The company received the “Best Invention of the Year” by Time magazine. ZeroFly Storage Bag 2015 Brochure Deltamethrin Technical Fact Sheet Vestergaard wide range of products Vestergaard product distribution and partners  

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