Hot & cold in one pack Use it again and again Instant, natural relief One click to activate Hot & cold in one pack Use it again and again Instant, natural relief One click to activate Hot & cold in one pack Use it again and again Instant, natural relief One click to activate
Medium

Medium Heat Pack

Back, abdomen & larger joints

Versatile mid-size heat pack for your back, abdomen and larger joints. Gentle, soothing warmth.
$35.00 inc. GST
TGA-compliant materials
Use it again and again
Natural pain relief

Ships same day if ordered before 2pm AEST.

Standard: 2–5 business days. Express: 1–2 business days.

Shipping calculated at checkout.

The Medium Heat Pack is the everyday workhorse of the Shin Bio range. At 260mm × 140mm it covers the lower back, abdomen, or sits across a larger joint.

Dimensions: 260mm × 140mm  ·  Heat: Long-lasting  ·  Weight: 120g

Same sodium acetate chemistry as the Triple Heat Pack — click the disc for instant, soothing heat. Boil to reset and use it again and again.

  • Medical-grade PVC outer pouch
  • Food-grade sodium acetate solution
  • Stainless steel activation disc
  • TGA-compliant for therapeutic skin contact

Drop the pack into a saucepan of boiling water. Submerge fully and boil for 10–15 minutes (timed from when the water is boiling) until the gel turns completely clear. Remove with tongs, cool to room temperature, then it’s ready to click again. Never microwave — boiling water only.

Common questions

Sensible questions.
Sensible answers.

All FAQs

Just water and food-grade sodium acetate, sealed inside medical-grade PVC. The metal disc is stainless steel. TGA-compliant for therapeutic use on skin.

Again and again. Once it cools, just boil it to reset and it’s ready to use all over again.

It warms up quickly to a soothing heat — up to around 54°C in the larger packs, though how warm it feels and how long it lasts depends on the size and the room around it. Plenty of comfort where you need it.

Bring a pot of water to the boil, then drop the pack in for 10–15 minutes (timed from when the water is boiling) until all the crystals dissolve back to clear liquid. Let it cool to room temperature and it’s ready to click again.