Doshisha Beer Specialty Vacuum Stainless Tumbler, 280ml, & Cooling, 3-Layer Steel, Silver, ON℃ZONE

Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. If you pour a drink into a tumbler that has been frozen in the freezer, it will quickly drop below freezing. Our proprietary vacuum and cooling triple layer structure. The vacuum insulation structure keeps the food cold. The built-in cooling agent keeps it ice-cold. A coldness you've never experienced before. Sub-zero beer, sub-zero highball, sub-zero chuhai. Color:Silver Brand: DOSHISHA - Designed specifically for keeping drinks cold. Vacuum + cooling 3-layer structure. - Pour a drink into a tumbler frozen in the freezer and it will instantly cool to below freezing. The feeling of a cold beer hitting the palate below freezing will take you to a whole new level. - Pour beer that has been chilled in the freezer for over 12 hours, or pour beer that has been well chilled in the refrigerator. Stir and it will cool to below freezing in about 1 minute. - Vacuum insulation keeps the drink cold. Built-in refrigerant keeps it ice-cold. - Experience ice-cold beer even better in about 1 minute.