AIST 6E3 Disposable Warmers set

AIST 6E3 Individual Disposable Warmers set Ratnik 6b52 Russian Military

The set AIST 6E3 includes 6 warmers:
5cm x 9cm - 4pc (works for 5 hours) and 10 cm x 11 cm - 2 pc. (work for 11 hours)
Each packet contain exothermal mixture of iron powder, salt and water retention substance. When a warmer is taken out of a sealed package it will heat up to 55 degrees Celcius in 10 minutes.

Heat AIST 6E3 is released due to oxidation of iron powder with oxygen in the air. Warmers can be placed in the inner pockets of clothing, gloves, mittens.