Injection ice pack

it is used in many areas such as medical, food, vegetables andthe function is to keep them in cold.

Compared with biological ice pack, it need to add water by thecustomer but the price is much cheaper than biologcial ice pack. Inadditon, the postage is cheaper as it occupies tiny place.

How to use:

Just add water as per the description and then precool in thefreezer for more than 8 hours and then you could use it directly.It is reusable.