How long can you keep a beer mug in the freezer?
Hereof, can you put a beer mug in the freezer?
Fill the mug with ice then level it off with cold water. Put it in the freezer for 5-7 minutes. When the mug is frosted, just empty it and fill with cold beer. Paper towel method: wrapping your mug in a wet paper towel around the mug and placing it in the freezer for three or four minutes should do the trick.
Then, how long can you leave a glass in the freezer?
Put the glass in the freezer for a couple of hours or the refrigerator for three or four hours (a minimum of 30 minutes for either if you're short on time). Take the glasses out just before you pour the drink.
While it is similar in many aspects to the freeze preventive used in automobiles (ethylene glycol), propylene glycol is considerably less toxic, so the freezer mugs are still kept safe even in cases of accidental leakage. These mugs can also be made from different materials, such as plastic, glass or acrylic.