[Up to 40% OFF In-Store!!] Bedding, including the "Goku-Ryo" series with over 400,000 units sold and the "Goku-Ko-Hanpa" mattress, will participate in Amazon Prime Day!

Shin-Yo Trading Co., Ltd. (Chuo-ku, Tokyo) will hold a big sale of up to 40% off on its bedding brand "tobest" during Amazon Prime Day from Friday, July 10, 2026, 0:00 to Monday, July 13, 2026, 23:59.

We will also participate in the "Prime Day Early Sale" for three days from Tuesday, July 7, 2026, 0:00 to Thursday, July 9, 2026, 23:59.

Sale Period

Friday, July 10, 2026, 00:00 – Monday, July 13, 2026, 23:59

Tobest TOP Page: https://www.amazon.co.jp/tobest

Product Introduction

Prepare for the heat of midsummer! A lineup that will comfortably color your summer life, including cool and comfortable bedding, cooling items, and our No. 1 popular high-resilience mattress.

This is your chance to get popular products at great prices during the July Prime Day period!

1. Goku-Ryo Duvet Premium EX

Designed not only for a cool touch upon contact but also to maintain a comfortable temperature during sleep, it supports a comfortable sleep environment even in Japan's hot and humid summer. Equipped with the uniquely developed temperature control capsule "Goku-Ryo BEYOND COOL," this Goku-Ryo duvet releases excess heat when it's hot and retains heat appropriately when it feels cold, reducing the "over-cooling" that is common with cooling bedding. It maintains a comfortable temperature environment all night long and supports pleasant sleep until morning. This Goku-Ryo duvet, with its focus on temperature regulation, fulfills both summer heat countermeasures and air conditioning cold countermeasures with just one item.

Product Page: https://www.amazon.co.jp/dp/B0H1TZMLMS

2. Cool Touch Goku-Ryo Mattress Pad

A classic cooling item with over 400,000 units sold cumulatively.

With Q-MAX 0.5 cooling material, it's cool and comfortable with every turn. The water-absorbent, quick-drying, and highly breathable reversible specification allows you to sleep comfortably even on tropical nights. Reinforced elastic bands ensure both comfort and stability. This year, the amount of padding has been increased, achieving a fluffy sleeping comfort in addition to coolness.

Product Page: https://www.amazon.co.jp/dp/B07S5RLHPG

3. Temperature-Regulating Mattress Pad

Summer nights are troubled by "waking up from the heat" and "over-cooling from air conditioning." The temperature-regulating mattress pad uses the Swiss temperature-regulating technology "HeiQ Smart Temp" on both the top and bottom surfaces to intelligently control sleep temperature. It releases moisture and heat when hot, and suppresses evaporation to maintain an appropriate temperature when cooling down from air conditioning.

Unlike general cooling mattress pads that are only cool to the touch, this pad maintains a "just right temperature" all night long. It resolves the discomfort of temperature fluctuations in summer and delivers deep sleep.

Product Page: https://www.amazon.co.jp/dp/B0GP69W6PN

4. High-Resilience Mattress

This tri-fold mattress made with high-resilience urethane excels at pressure distribution, supporting back pain relief and a comfortable sleeping posture. The surface profiling (uneven structure) creates air pathways, efficiently releasing moisture and heat generated during sleep. The design balances the durability and breathability of high-resilience urethane, supporting a comfortable sleep environment regardless of the season. It is foldable and can be used on a bed or directly on the floor, and the washable cover ensures hygiene.

Product Page: https://www.amazon.co.jp/dp/B0824RN6Q8

5. Bedding Brand MLILY's "Yu-Hanpa" 5cm Mattress Topper

The "Yu-Hanpa Foam" developed by MLILY is a urethane foam whose resilience changes with weight. It provides strong resistance to heavy objects and weak resistance to light objects, making it easier to achieve an ideal sleeping posture close to an "upright position."

The MLILY Yu-Hanpa Mattress features a unique two-layer structure that provides excellent support and breathability. The upper layer uses the new material "Yu-Hanpa" with moderate resilience, fitting the body's contours appropriately. The lower layer uses high-resilience open-cell foam that facilitates turning over and is highly breathable. It conforms to the body and achieves an ideal sleeping posture with gentle resilience.

Product Page: https://www.amazon.co.jp/dp/B013FUDDXW

Brand Introduction

tobest

tobest offers a wide range of products useful for everyone's life, focusing on bedding including mattresses. To provide better sleep to our customers, we continue to sell highly functional, high-quality, and reliable products in bedding development.

MLILY

A mattress brand loved in 110 countries, with over 50 million units sold worldwide. MLILY, a sponsor of the prestigious English football club Manchester United, is sold in major department stores, furniture manufacturers, and retailers in various countries, primarily in America, Europe, and Asia. In Japan, it is also used by various athletes, including J.League players and professional baseball players.