A Symbol of Yokohama! Kiyoken Releases Original Package Products: "Vacuum Pack Tuna Shumai" and "Yokohama Pineapple Cake Brown Sugar" to Go on Sale July 3, 2026

The GREEN x EXPO Association (Official Name: Public Interest Incorporated Association, The Organizing Association for the International Horticultural Expo 2027, Chairman: Yoshinobu Tsutsui, Location: Naka-ku, Yokohama) and the 2027 International Horticultural Expo Master License Office (Representative Executive Officer: Hiroaki Shimizu, Location: Nishi-ku, Yokohama) will release original package products featuring Tunk Tunk from Kiyoken Co., Ltd. as official licensed products for GREEN x EXPO 2027 (Official Name: The International Horticultural Expo 2027), to be held in Yokohama in 2027. The products will go on sale starting July 3, 2026.

Our collaboration with Kiyoken, a company widely loved primarily in Yokohama, has garnered significant attention in the past, and we are now introducing two new, highly anticipated items: "Shumai" and "Baked Confectionery." Through these representative flavors of Yokohama, we aim to build anticipation and momentum for the Expo.

About the New Product Lineup

2027 International Horticultural Expo & Kiyoken Vacuum Pack Tuna Shumai

A new shumai that uses "tuna" as its main ingredient, representing Japanese food culture, and contains no pork. This vacuum-packed version has a long shelf life and can be enjoyed as part of your daily meals or as a new souvenir from Yokohama, complete with a vibrant package design.

Price: 740 yen (tax included)

Release Date: July 3, 2026 (Fri)

2027 International Horticultural Expo & Kiyoken Yokohama Pineapple Cake Brown Sugar

Rich pineapple jam is baked inside a dough kneaded with butter and brown sugar from Okinawa Prefecture. The dough has a moist texture, and this Kiyoken original pineapple cake is characterized by the deep flavor of brown sugar and the rich pineapple aroma that fills your mouth.

Price: 220 yen (tax included) for one, 1,290 yen (tax included) for six

Release Date: July 3, 2026 (Fri)

Stores Scheduled for Sale

・Kiyoken Direct Stores and Mail Order

・EXPO 2027 Official Store

And others

*Product availability may vary by store.

©Expo 2027 Official Licensed Product of The International Horticultural Expo 2027

Overview of the 2027 International Horticultural Expo Master License Office

The GREEN x EXPO Association, as the brand for "GREEN x EXPO 2027," has entrusted the management of the Association's Intellectual Property (Abbreviation: Association IP) to the 2027 International Horticultural Expo Master License Office (Abbreviation: 2027MLO). This is because unified management and development of the Association IP will enhance its value, foster momentum for the event, and secure licensing revenue. 2027MLO conducts appropriate brand management and development based on specialized expertise.

2027MLO is responsible for planning, manufacturing, and selling official licensed products, as well as managing them. It also handles applications for the use of Association IP, public relations, advertising, sales promotion activities, and the development and management of sales channels for official licensed products (including on-site and off-site official stores and official e-commerce sites).

・Abbreviation: 2027MLO (Ni-Zero-Ni-Nana Emu-Eru-O)

・Establishment Date: December 9, 2024 (Mon)

・Homepage: https://expo2027mlo.jp

Overview of GREEN x EXPO 2027

Name: The International Horticultural Expo 2027

(International Horticultural Expo 2027, Yokohama, Japan)

Official Abbreviation: GREEN x EXPO 2027 (Green Expo Ni-Zero-Ni-Nana)

Location: Yokohama City, Seya Ward and Asahi Ward (Former Kamiseya Communication Site)

Period: March 19, 2027 (Fri) - September 26, 2027 (Sun)

Theme: Scenery of the Future for Happiness

Expo Area: Approximately 100ha (Venue Area: 80ha)

Class: Class A1 (Top Class) (AIPH Approved + BIE Certified)

Number of Visitors: 15 million (Paid Visitors: 10 million or more)

Official Website: https://expo2027yokohama.or.jp/

Official Mascot Character: "Tunk Tunk"