Sorba-Freeze Absorber cooling elements

Sorba-Freeze absorber cooling elements are made from superabsorbent granules in a water permeable bag. The granules are non-toxic and certified for use with foodstuffs.
One box contains  two rolls, each one is made of 4800 elements for a total amount of 9600 elements.
The elements are watered and then frozen prior to use. Once thawed, the water remains absorbed in the elements.