| 摘要 |
A cooling collar for cooling beverages, comprising separable cooling shells that each contains a cooling material and a cavity that approximates the size of a standard beer or soda can. In preferred embodiments the cooling material is present in sufficient quantity to cool a standard beverage can from room temperature to about 45° F. in no more than 30, 25 or even 22 minutes, and to cool at least 24, 35 or even 50 cans without refreezing the collar.
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