Doshisha ON℃ZONE Freezing Tumbler, Pink, Approx. W12.5 x D8.9 x H15.0 (including handle), 8.9cm Diameter (420PK)

Pour a drink into this tumbler frozen in the freezer and it will instantly cool below freezing. The vacuum insulation keeps it cold. The built-in coolant keeps it chilled for a short time. It's not just for beer. Perfect for whiskey or white wine on the rocks, without ice.

Size (approx.): W12.5 x D8.9 x H15.0 (including handle), Mouth diameter 8.9cm Material: Stainless steel body (with coolant), Zinc alloy handle 420ml Pink

Construction: This stainless steel tumbler features a three-layer vacuum cooling structure (ice pack layer + double vacuum insulation layer) that rapidly chills drinks to below freezing.

Cooling: Simply pour your drink into the freezer-chilled body and the temperature will drop rapidly. Even room-temperature drinks can be made ice-cold by using the freezer-chilled body!