"Thermos Stainless Steel Can Insulator" that can sustain the coldness of can juice for a long time

Sometimes when you buy 350cc can juice and drink it it gets tanned inside because it gets tangy inside, but there seems to be something that can keep coldness for about 3 hours by putting a can.ThermomagAlthough it is one hand to put it in, it is troublesome to replace or wash it with a thermomag, so people who buy canned juice often may be useful. Even putting it in my office's desk seems to be useful.

Details are from the following.
Vat19.com

It seems to keep coldness by two layer processing.


Because it is made of stainless steel, it is light and rust resistant.


In the bottom part is a slip prevention and processing which makes scratches hard on the floor are done.


It seems that it can sustain coldness for about 3 hours.


You can see the explanatory movie from below.
YouTube - Thermos Stainless Steel Can Insulator (2-pack)


The price is around 28 dollars (about 2500 yen) in two sets. It would be nice to have one for your home and another for office.