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Safe and effective ice packs that cool quicker and remain cooler for longer.


Instant ice packs are a quick and convenient way to provide the benefits of cold therapy to treat an injury. Instant ice pack ingredients include water and ammonium nitrate that create an endothermic chemical reaction. This absorbs heat and reduces temperature rapidly. Learn more about the science of how instant ice packs work on our blog.

What is an Instant Ice Pack used for?

First aiders and sports medical professionals commonly use instant ice packs for sports injuries, but there are many other ways to use instant ice packs outside the sports world.

Instant cold ice packs rapidly cool on-demand and quickly offer pain relief when applied to an injured area. The instant ice pack’s immediate coldness reduces blood flow in the targeted area managing pain symptoms and discomfort, and preventing swelling and bruising.

Professionals choose instant ice packs for:

  • Injuries that require swelling and bruise reduction.
  • First aid treatment of injured soft tissues and joints, including sprains and strains. 
  • Physiotherapy treatments.
  • Long-term management of sports injuries.
  • Reducing tendonitis symptoms.
  • Soothing sunburn.
  • Reducing discomfort caused by insect bites or injections.

How to use Sterofreeze Instant Ice Packs

  • Find the water sachet inside the pack, squeeze as hard as you can to release the contents and allow it to combine.
  • Shake the ice pack for a few seconds to activate; the pack will begin to turn cold within seconds.
  • Apply underwrap to provide compression, or a towel, create a barrier against the skin to prevent ice burn.
  • Secure the ice pack to the injured area using a cohesive bandage or PhysioWrap; this will also provide additional compression.
  • Repeat the process every few hours for the first 24 hours after an injury.

In the video below, Dr Allan Munro and Mike Carolan, experts in sports rehabilitation, take you through the steps on how to use the instant ice pack to treat injuries safely and effectively:

Steroplast Sterofreeze Instant Ice Packs

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