PVC Wine Bottle Gel Cooler / Freezed Bottle Cooler / Ice Cooler Sleeve with gel beads
37x16cm, or customized, unit weight 230g-400g
cooling function for milk, black tea, coffee, beer, carbonate drinks, lemonate, coke, beverage etc.
easy to use, safe use, keep cold for 20 hours, idea for travel, caming, picnic, party
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