Very easy to regenerate, ( temp between 100c-120c) as an example on most radiators
HAS ITS OWN STORAGE BAG ,Will last for many years 3-4 years recommended,made from high quality silica , don't confuse with some of its competitors ,who use clay which loses its strength after 4 months
PLEASE READ THE REVIEWS ON AMAZON.CO as this product is new to USA/Has a unique carrying handle that will enable it to be hung anywhere