Instant Can Gel Cooler / PVC Gel Cooler Wrap / Wine Cooler Sleeve
cooling function for milk, black tea, coffee, beer, carbonate drinks, lemonate, coke, beverage etc.
easy to use, safe use, keep cold for 20 hours
Cold way: put it to the freezer for 5 mins, it can keep cool for 30 mins
Hot way: put it to microwaver for 2-3 mins, or put into boiling water for 5 mins, and it will be heated fully