The shell of these lunchbox coolers is crafted from 100% food - grade EVA, and the filling consists of distilled water. This combination ensures safety and reliable cooling performance for your lunch.
Using these lunchbox coolers is a breeze. Simply place your food inside, and they'll keep it cool for a long time. When it comes to cleaning, you can gently wipe the surface with a damp cloth. Remember to keep them away from sharp objects to avoid puncturing the EVA shell. Also, don't expose them to extremely high temperatures. For long - term storage, let them dry thoroughly and store in a cool, dry place.
