Activated by water - no need for ice or fridges or even electricity
Light and compact (between 29gms and 66gms) (1 to 2 ozs)
Keeps insulin cool for over 45 hours for each immersion period
Reusable - easy to use

Technical Details

Width : 0.75 cm
Height : 0.75 cm

Product Details

ASIN : B003I7FMA0