We will participate in the Sogo Yokohama 'Seibu/Sogo Randoseru Order Event'. April 28 (Tue) - May 10 (Sun)

CHIKYU Co., Ltd. (Minato-ku, Tokyo, Representative Director: Yasuo Tsujitani), which plans and sells randoseru (school backpacks), will participate in the "Seibu/Sogo Randoseru Order Event" at Sogo Yokohama in Kanagawa.
We will exhibit and sell approximately 50 items, including new and collaboration models, centered on the Chikyu NASA Randoseru® which uses Temper Foam®, a shock-absorbing material developed for NASA.
Please visit with your family to actually try them on and consider them from various angles such as comfort, functionality, and color. We look forward to seeing you.

Event Details *No reservation required
Date and Time: April 28, 2026 (Tue) - May 10 (Sun) 10:00 AM to 8:00 PM *Closes at 5:00 PM on the final day
Location: Sogo Yokohama Store 8th Floor, Randoseru Department
Address: 2-18-1 Takashima, Nishi-ku, Yokohama, Kanagawa 220-8510
Phone Number: 045-465-2111 (Main)
Purchase Bonus: Chikyu NASA Randoseru® Original Name Keychain

[New] Chikyu NASA Randoseru® COSMOS FILLES
Product Number: KF-N01
Price incl. tax: 68,000 yen / Price excl. tax: 74,800 yen
Gusset width: 12.5cm Weight: Approx. 1,010g
Main Body Material: Clarino F
Colors: Lilac x Pearl Lavender / Pink Beige x Pearl Beige / Carmine
Cosmos means "harmonious universe" in Greek, and in the language of flowers, it means "a young girl's sincerity."
This lightweight randoseru is designed to represent a young girl gently and beautifully blooming while living in harmony with everything she encounters.
The two colors, Lilac x Pearl Lavender and Pink Beige x Pearl Beige, feature trendy colors with pearl accents.
Additionally, the gradient cosmos pattern reflection highlights individuality. The royal red (Carmine) maintains a basic atmosphere with a single color, while the cosmos pattern gradient reflection serves as a subtle accent.

[New] Chikyu NASA Randoseru® WWF Model UNICA ANIMA
Product Number: WWF-N05
Price incl. tax: 81,000 yen / Price excl. tax: 89,100 yen
Gusset width: 12.5cm Weight: Approx. 1,230g
Main Body Material: Clarino Aqua Duo
Colors: Frosty Gray / Turquoise / Olive Green
Insects, animals, and trees—all are irreplaceable lives born of the Earth. In 2025, the IUCN announced that over 40,000 species of wildlife are endangered.
This model was born from the desire to make even a small change as fellow inhabitants of the Earth. 5% of sales will be used for environmental conservation activities undertaken by WWF Japan.

[New Color] Chikyu NASA Randoseru® YOLO
Product Number: EY-N01
Price incl. tax: 72,000 yen / Price excl. tax: 79,200 yen
Gusset width: 12.5cm Weight: Approx. 1,140g
Main Body Material: Clarino F
Colors: Black x Navy (New Color) / Nail Pink x Antique White / Lilac x Pink Beige / Bordeaux x Khaki
YOLO stands for "You only live once."
We expressed our respect for individuality through designs that boldly use multiple colors and an unprecedented original asymmetrical flap shape. It incorporates our wish for children to carry what they truly like.
*This product comes with one YOLO cover.

What is Chikyu NASA Randoseru®
https://chikyubag.com/lp/
Supporting, protecting, and encouraging children's dreams and growth. That is CHIKYU Co., Ltd.'s "Chikyu NASA Randoseru® Series".
The Chikyu NASA Randoseru® incorporates a shock-absorbing material called Temper Foam® developed for NASA, reducing the burden on children who carry many belongings every day, making it a child-friendly randoseru. By fusing long-cultivated experience and technical skills with the latest technology, we create randoseru unlike any other company. Not just pursuing advanced science.