In Japan’s “Takunomi” (the culture of enjoying drinks at home) scene, Suntory’s “Kaku Highball” (a popular beverage mixing Japanese whisky with soda water) is a staple that needs no introduction. A vacuum insulated tumbler featuring the exact design of this iconic can will be available exclusively at Lawson (a major Japanese convenience store, or “Konbini”) and HMV&BOOKS online nationwide starting May 11, 2026.
Released as the “Kaku Highball Vacuum Insulated Tumbler BOOK”, this item goes beyond mere novelty merchandise to offer genuine performance. It is packed with features designed to let you enjoy an ice-cold highball in its perfect state for longer.
Choose From 2 Styles! The Classic Yellow and the “Koime” (Strong) Navy
This release features two distinct designs based on the familiar “Kaku Highball” and the higher-alcohol “Kaku Highball Koime” (Strong). Both faithfully reproduce the design of the actual cans, creating a finish that will lift your spirits just by having them lined up.
Product Lineup and Details
- Product Name: “Kaku Highball Vacuum Insulated Tumbler BOOK” / “Kaku Highball Koime (Strong) Vacuum Insulated Tumbler BOOK”
- Release Date: Monday, May 11, 2026 *Based on the Tokyo metropolitan area. Arrival dates may vary by region.
- Lawson Standard Price: 2,750 yen (approx. $18.00 USD, tax included)
- Available at: Lawson stores across Japan, HMV&BOOKS online
The packaging design meticulously recreates the unique tortoiseshell pattern on the can’s label, the logo placement, and even the “Suntory Whisky” text. The moment you pick it up, you might be under the illusion that you are holding an actual can of alcohol.
Ice Melts Slower! Vacuum Insulated Structure Boasting Up to 6 Hours of Cooling Power
While the visual impact is impressive, its functionality as a tumbler is guaranteed. The body features a vacuum-insulated structure designed to resist external temperature changes.
Amazing Features and Highlights
- Cooling Capacity: Keeps drinks at the perfect drinking temperature for up to 6 hours (*Measured by the editorial team at a room temperature of 20℃ / 68℉).
- Anti-Condensation: The outside doesn’t get cold, so you never have to worry about your desk or table getting wet.
- 370ml (12.5 fl oz) Capacity: The optimal capacity is 300ml (10.1 fl oz), making it the perfect size to enjoy a Japanese 350ml (11.8 fl oz) can-sized beverage with ice.
- Hot-Beverage Compatible: It handles not only cooling but also heat retention, making it useful for hot water-mixed drinks in the winter.
- Outdoor Ready: There is no need to worry about it breaking, making it perfect for camping and BBQs.
Regarding its cooling power specifically, data shows that in an experiment using 200ml (6.8 fl oz) of 3℃ (37.4℉) cold water and 100g (3.5 oz) of ice, it maintained a temperature below 3℃ (37.4℉) even after 6 hours. With this, even when enjoying a drink slowly over conversation, you can savor a delicious highball without it getting watered down until the very end.
Coveted Content for Fans Tracing the Roots of Kaku Highball
This product is sold in the “BOOK” (special merchandise accompanied by a booklet) format commonly seen in Japanese convenience stores. Therefore, it includes not just the tumbler, but also a booklet that delves deep into the history of Suntory Kakubin and the appeal of the Kaku Highball.
How did Kakubin, which helped build Japan’s whisky culture, come to be loved across generations? Learning about its journey will surely add an even deeper flavor to every glass you drink from the tumbler. The booklet also features tips on how to make a more delicious Kaku Highball, as well as surprising trivia you might not know.
A Life with “Kaku High” That Fits Every Daily Scenario
Measuring 12.5cm (4.9 in) in height with a rim diameter of 7.4cm (2.9 in), it boasts a compact design that fits comfortably in your hand. It is guaranteed to be highly versatile, whether for an evening drink at home, iced coffee during remote work, or outdoor activities on your days off.
The anti-condensation feature is especially handy when working on a computer or sitting at a table with important documents. Saving the trouble of needing a coaster is a subtle yet significant advantage.
Bound to Sell Out! An Item You’ll Want to Check Out and Get Early
Items exclusive to Japanese convenience stores (“Konbini”) often sell out immediately after release due to their buzz. Collaboration items like this one, featuring a national brand known by everyone in Japan, attract a particularly high level of attention.
The “Kaku Highball Vacuum Insulated Tumbler” makes your usual evening drink feel a little more special just by having it around. If you are planning to visit Japan or are interested in Japanese culture, why not check the Lawson storefronts or website early and secure a delicious moment all for yourself?
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