* Freezer mug: Put them into the refrigerator in advance and then put your favorite drink into the frozen glasses.
* Safe material: Made of food grade plastic material, this beer glasses is safe for drinking and no reaction with drinks.
* For party: Enjoy the passing summer with beer in these frozen glasses!
* For the best results, please place your Frosty Mug upside down in the freezer compartment of your refrigerator for 2 to 4
* Please do not use in the microwave. Please do not freeze below -10℃.