High-Performance Ice Pack "COOLER SHOCK" Unveils 2026 New Models!

Tsuda Trading Co., Ltd. (Headquarters: Kobe City, Hyogo Prefecture, Representative Director: Yasuhisa Tsuda) will begin selling the Japanese models of the 2026 latest lineup from "COOLER SHOCK," a high-performance ice pack brand originating in the United States.

The 2026 models include four new additions, responding to requests from Japanese users: the "Pre-filled Hard Type (HARD LONG / HARD STRONG)," which is the brand's first to not require water injection, and the "SUPER LONG" aluminum type that utilizes blood transport technology and can support camping trips of up to three days and two nights.

All series now feature "Japanese packaging" and are available at outdoor shops nationwide and on e-commerce sites.

COOLER SHOCK: https://tsudakobe.jp/pages/cooler-shock

Background of Development and Evolution of 2026 New Models

With the record-breaking summer heatwaves in Japan in recent years, the need for cooling has rapidly increased, not only for outdoor activities like camping and fishing but also for everyday lunch boxes, shopping, and securing lifelines during disasters.

Previously, COOLER SHOCK focused on aluminum pouches with excellent thermal conductivity (user-fillable type). However, for the 2026 models, the following updates have been made to meet Japan's high standards for convenience and diverse usage scenarios:

Full Introduction of "Pre-filled Hard Type": This design eliminates the troublesome water injection process, with the contents pre-filled. After purchase, simply cool it in the freezer for immediate use.

Fully Localized "Japanese Packaging": Outer boxes and product descriptions are now entirely in Japanese. Even first-time users can intuitively understand the pre-preparation and proper usage methods at a glance.

New Lineup and Product Features

HARD LONG

[Features] HARD LONG is a new 2026 model designed for long-lasting cooling, offering "long cooling duration and short freezing time." No prior water injection is needed; simply freeze it in your freezer after purchase. Additionally, the S and M sizes are designed to be the same size as a paperback book, making them versatile for everyday lunch box cooling as well as outdoor scenes.

[Function Description] Achieves high usability, freezing overnight and ready for use the next morning. It offers COOLER SHOCK's excellent cooling performance in a range of easy-to-use sizes (Note: Cooling effect varies depending on the usage environment).

[Difference from Previous Products] Many commercially available hard ice packs freeze and cool around 0°C, tending to be "strongly cooling but short-lasting and taking a long time to freeze."

Product Type: Hard Case Type

Size Variations: S/M/L

HARD STRONG

[Features] HARD STRONG is a powerful cooling model that maintains -16°C. Like HARD LONG, it does not require prior water injection and can be used immediately after freezing in the freezer. It is durable enough to withstand weight placed on top and can be used as a divider or base in a cooler box. It is ideal for situations where you want to "cool strongly."

[Function Description] Filled with a super-low temperature, powerful cooling composition that drops to -16°C. It is perfect for keeping foods like meat and fish, where maintaining freshness is paramount (Note: Cooling effect varies depending on the usage environment).

Product Type: Hard Case Type

Size Variations: S/M/L

SUPER LONG

[Features] This long model, featuring a thin and large aluminum package, excels at long-lasting cooling. It is highly suitable for "cooling by surface area," such as covering the top or lining the bottom of a cooler box.

[Function Description] This new model offers up to a 20% improvement in cooling performance compared to the conventional COOLER SHOCK Original. It applies advanced technology used in blood transport, making it a high-performance ice pack that can reliably support even serious three-day, two-night camping trips. The aluminum package has high thermal conductivity, allowing it to quickly absorb cold air from the freezer and freeze the contents in a dramatically shorter time compared to conventional hard types. Its thin profile saves space and does not compromise storage capacity within the cooler.

[Difference from Previous Products] While thick, conventional hard ice packs "take a long time to freeze and are bulky," the SUPER LONG is thin, large, freezes quickly, and is extremely space-saving. Placing it in the freezer the night before ensures it is fully ready by morning.

Product Type: Soft Type

Size Variations: S/M/L

BENTO & GO (For Lunch Boxes and Daily Use)

[Features] A compact model specifically designed for carrying lunch boxes to the office or school daily, and for smart everyday use. It is designed to provide optimal cooling performance that supports your daily life, from commuting to outings.

Product Type: Soft Type

Size Variations: S/M/L

Product List: https://tsudakobe.jp/collections/ocean-bottle

Product Name

COOLER SHOCK 2026 Models (HARD LONG / HARD STRONG / Super Long / BENTO & GO)

Release Date

Scheduled for sequential release starting April 2026

Sales Channels

Major outdoor shops nationwide, fishing tackle stores, official online store, Amazon, etc.

About COOLER SHOCK

COOLER SHOCK is a high-performance ice pack that re-engineers technology from the demanding medical field of blood transport for lifestyle applications.

By offering a diverse range of models with different structures and functions—including "aluminum pouches" with flexible fit and excellent thermal conductivity, "hard packages" with high durability and stable cooling power, and "lunch box sizes" that blend into daily life—we deliver the reliable assurance of "being cold" for all cooling needs.

Experience the coolness that allows you to enjoy time with your loved ones in the best possible condition, right in your hands.

https://tsudakobe.jp/pages/cooler-shock

About Tsuda Trading Co., Ltd.

As a bridge connecting daily life and nature We aim to be a bridge connecting daily life and nature by delivering carefully selected products from around the world and the stories behind them. While modern life has become more convenient, opportunities to spend time in nature or encounter new values have decreased. We want to provide encounters with tools that bring small discoveries and richness to everyday life.

Company Name

Tsuda Trading Co., Ltd.

Founded

February 1936

Representative

Yasuhisa Tsuda

Business Activities

1. Manufacturing and sales of fishing tackle, outdoor goods, and miscellaneous items. 2. Export and import of fishing tackle, outdoor goods, and miscellaneous items. 3. Import/export agency services. 4. All acts incidental to the preceding items.

Headquarters Information

5-3-4 Ekake-cho, Suma-ku, Kobe-shi, Hyogo 654-0048

Online Store

https://tsudakobe.jp/