Why Did 36,000 Units Sell Out? An 'Incredible Sun Umbrella' Weighing Just 126g Is Now Up to 70% Off

BELLEMOND (Fun Standard Co., Ltd., part of RKB Mainichi Holdings Group, headquarters: Ōnojō City, Fukuoka Prefecture, CEO: Ryosuke Oya, Hiroki Sasamori) will launch a 24-hour time-limited sale for its all-weather foldable sun umbrella 'Hare Shizuku (Hare Shizuku)', which has surpassed 36,000 cumulative units sold. The sale will be available exclusively via the Rakuten Market app from 10:00 JST on Friday, July 17, 2026, to 9:59 JST on Saturday, July 18, 2026.

'Hare Shizuku' is an all-in-one sun and rain umbrella, eliminating the need to switch between separate umbrellas. It features fully light-blocking fabric with 100% UV protection and a lightweight design starting at just 126g for manual open models. It prepares users for everything from intense sunlight to sudden downpours, all with a single umbrella.

During this time-limited sale, the manual open type will be priced at ¥1,848, the auto open/close type at ¥1,948, and the shape-keeping manual open type at ¥2,248. Additionally, a bundle of the auto open/close type and the popular handheld fan 'Suzumi' will be offered for ¥2,948. This is a 24-hour-only sale offering up to 70% off the manufacturer's suggested retail price.

Rakuten Market Official Store

'Hare Shizuku' Surpasses 36,000 Units in Cumulative Sales

Launched in March 2025, 'Hare Shizuku' surpassed 28,000 cumulative units by October 31, 2025. Sales continued to grow, surpassing 36,000 cumulative units across the series by June 15, 2026.

Marketed with the slogan 'incredible sun umbrella,' the product received significant attention even during pre-orders.

Its concept of 'one umbrella for both sun and rain,' along with features like full light block, 100% UV cut, lightweight design from 126g, and all-weather functionality, have been widely praised for daily usability.

*Sales figures include pre-orders and sales across various marketplaces. Self-calculated as of June 15, 2026.

The Essential 'Lightweight' for Daily Carry and the Reliable 'One Umbrella' for Sun and Rain

'Hare Shizuku' is a foldable sun umbrella featuring full light block and 100% UV cut, combined with a lightweight build and all-weather functionality.

As sunlight intensifies, opportunities to use sun umbrellas increase in daily scenarios such as commuting, school, shopping, and travel.

However, for daily carrying, factors beyond shading performance matter—lightweight design, compact size for bags, ease of opening/closing, and preparedness for sudden rain are crucial. Switching between a sun umbrella on sunny days and a rain umbrella on rainy days adds a small but daily burden.

'Hare Shizuku' addresses this carrying burden by combining lightweight design with all-weather functionality. It's a single foldable umbrella ready to handle intense sunlight on sunny days and sudden rain showers.

In addition to fabric verified for full light block and 100% UV cut, it includes all-weather functionality usable on rainy days and a super-absorbent umbrella cover that makes storing a wet umbrella easy. (*Excluding the shape-keeping manual open type.) Chosen by many customers as an easy-to-adopt umbrella for daily outings, regardless of rainy season or summer, or even seasonality.

34.9°C Difference in Surface Temperature Near Head Depending on Umbrella Use After 30 Minutes of Exposure

An umbrella with high heat shielding performance that helps keep the interior cool even under intense sunlight.

A heat shielding test was conducted at the Japan Textile Products Quality Technology Center (QTEC), a general incorporated foundation, using artificial solar lighting.

After 30 minutes from the start of exposure, the surface temperature near the head of a mannequin without a sun umbrella reached 65.3°C, while with 'Hare Shizuku' in use, it was 30.4°C—a confirmed temperature difference of 34.9°C.

By blocking intense sunlight, it aims to provide the comfort of carrying shade with you during summer commutes, school trips, or waiting outdoors.

*Test results using Off-White color.

*Results are from testing environments and actual effects may vary depending on usage conditions, color, etc.

Five Features of 'Hare Shizuku' for Easy Daily Carry

1. Fabric with Full Light Block and 100% UV Cut

Achieves 100% full light block through meticulous layering of black coating, providing strong protection against intense sunlight.

Uses fabric tested under JIS standards, confirming 100% light block rate and 100% UV cut rate.

Suitable for various daily situations during seasons with strong sunlight, such as commuting, school, shopping, and waiting outdoors.

*100% light block rate and 100% UV cut rate are fabric test results and do not represent the performance of the entire product.

2. Lightweight Design from 126g for Manual Open Type

Despite its large size, the manual open type achieves a lightweight design starting at just 126g, making it easy to carry daily.

Designed to be easily stored in daily bags, suitable even for those concerned about the weight of carrying a sun umbrella.

Uses thin, flexible 20D/400T polyester fabric woven with fine threads at high density, designed to fold compactly.

*Weight varies by type, color, and specification.

3. All-Weather Specification with Over 10,000mm Water Pressure Resistance and Water Repellency Grade 5

An all-weather foldable sun umbrella with high water resistance and water repellency, capable of handling heavy rain.

An all-weather type usable not only as a sun umbrella but also as a rain umbrella.

Fabric testing based on JIS standards confirmed over 10,000mm water pressure resistance and water repellency grade 5. It can handle summer's sudden downpours and heavy rain without switching umbrellas.

*Values are fabric test results. Actual performance may vary depending on usage conditions.

4. Three Types to Choose Based on Usage Scenario

Offers three types of foldable sun umbrellas to suit different preferences and priorities.

The manual open type is ideal for those prioritizing lightness and simple operation, while the auto open/close type allows one-handed operation, convenient when carrying many items.

Additionally, for those wishing to reduce the hassle of folding, the shape-keeping manual open type is available, which easily folds along the fabric's creases.

Choose based on your usage scenario and priorities.

5. Comes with Super-Absorbent Umbrella Cover for Easy Storage of Wet Umbrellas

Includes a super-absorbent umbrella cover that allows quick storage of wet umbrellas.

The super-absorbent umbrella cover uses microfiber fabric on the inside and water-repellent fabric on the outside.

Features a full-open design with a wide opening for easy insertion and removal, making it convenient for storing wet umbrellas after rain.

*The shape-keeping manual open type does not include the super-absorbent umbrella cover. Included accessories vary by type.

Large 107cm Arc Size for Wide Coverage Against Sun and Rain

A foldable sun umbrella with a large 107cm arc size, providing wide coverage against both sunlight and rain.

'Hare Shizuku' adopts a large 107cm arc size for applicable models.

Despite being a foldable umbrella, it widely covers against sunlight and rain, considering practicality not only as a sun umbrella but also when used as a rain umbrella.

*Size and specifications vary by type. Please check the product page for details.

Praised by Buyers for Lightness, Portability, and All-Weather Functionality

On the Rakuten Market product page, in addition to color and design, customers praise its lightness, portability, and all-weather usability