Trio 400ml Matte Black Vacuum Insulated Tumbler with This tumbler keeps 350ml and 500ml cans hot or Features include a stainless steel vacuum

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. A huge hit in the US, with over 2 million units sold. This 3-in-1 drink cooler keeps 350ml and 500ml cans cold or hot, and also doubles as a tumbler. The stainless steel vacuum insulation (Bevguard) with a copper coating keeps drinks cold for up to four hours. It doesn't condense, so you don't have to worry about the surface getting wet. If you freeze the included cooling pack and use it, you can chill a 350ml can even more. Patented Pushlock technology holds the can securely in place, preventing it from slipping off when you drink. The lid has a two-stage locking structure to prevent leakage, and a magnetic flip that prevents the lid from falling off when opened to drink. Comes with a non-slip bottom guard. Made of stainless steel, it's durable and long-lasting. Keeps hot drinks at the perfect temperature for hours! Officially sold by Amazon.co.jp