320ml Vacuum Insulated Stainless Steel Tumbler with Double Walled Perfect for Outdoor Keeps Hot or Cold Lid, Design, Activities,

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. [Sophisticated Black Design] This tumbler features a simple black color, creating a stylish look. The stainless steel tumbler comes with a lid, and the combination with the black lid adds a touch of luxury, making it a popular design among men. The 320ml capacity is perfect for everyday drinks, making it ideal for use in the office or at home. Its vacuum insulation construction keeps hot coffee warm for hours when used as a coffee tumbler, allowing you to enjoy delicious drinking. [Excellent heat and cold retention] This vacuum tumbler features excellent heat and cold retention thanks to its vacuum insulation structure. Hot drinks maintain their temperature for a long time, and cold drinks stay cool thanks to the tumbler's cooling effect. You can enjoy a comfortable drink all year round, and it can also be used as a coffee tumbler to keep your morning coffee warm. It is made of high-quality stainless steel, which ensures that the flavor of your drink is not compromised. [Sturdy Lid Design] The black lid fits securely, creating a spill-proof design. Even if the tumbler accidentally falls over, your drink won't spill, making it safe to use. The lid of the tumbler with lid opens and closes smoothly and is easy to operate. The simple design makes it easy to clean and keep it hygienic. [Easy-to-carry size] With a compact size of 12.5cm in height and 8.5cm at the base, this tumbler is extremely convenient to carry. It doesn't take up much space in your bag, so you can easily carry it with you when commuting or going out. The tumbler's portability means you can take your favorite drink with you anytime, anywhere. It can also be used as a water bottle, so it can hold a variety of drinks, not just water. [Perfect Gift] This is the perfect gift for men, making it a great birthday gift for your boyfriend or father. It's a practical item perfect for a birthday present for a man, and with daily use, it will always show your appreciation. The stylish design and excellent performance of this tumbler make it a gift that's sure to please anyone. 320ml Vacuum Insulated Stainless Steel Tumbler with Lid, Double Walled Design, Perfect for Outdoor Activities, Keeps Hot or Cold