CHIKYU Co., Ltd. to Participate in Niigata Isetan "Randoseru Festival 2027". May 13 (Wed) - May 18 (Mon)
CHIKYU Co., Ltd., which plans and sells randoseru (Japanese school bags), will participate in the "Randoseru Festival 2027" at Niigata Isetan. Approximately 50 items, including new models and collaboration models, will be exhibited and sold, focusing on the Earth NASA Randoseru® which uses Temperfoam® shock-absorbing material developed for NASA. The event encourages families to visit and try on the randoseru to consider their comfort, functionality, and color from various angles.
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CHIKYU Co., Ltd. (Minato-ku, Tokyo; Representative Director: Yasuo Tsujitani), which plans and sells randoseru, will participate in the "Randoseru Festival 2027" at Niigata Isetan. Approximately 50 items, including new models and collaboration models, will be exhibited and sold, focusing on the Earth NASA Randoseru® which uses Temperfoam® shock-absorbing material developed for NASA. We invite all families to visit, try on the randoseru, and consider their comfort, functionality, and color from various angles. We look forward to your visit.
Event Details *No reservation required
Date and Time
May 13 (Wed) - May 18 (Mon) *Ends at 4 PM on the last day
Location
Niigata Isetan 6F Event Hall
Address
1-6-1 Yachiyo, Chuo-ku, Niigata City, Niigata Prefecture 950-8589
Phone Number
025-242-1111
[New Product] Earth NASA Randoseru® COSMOS FILLES
Product Number: KF-N01
Tax-included price: 68,000 yen / Tax-excluded price: 74,800 yen
Gusset width: 12.5cm Weight: Approx. 1,010g
Main material: Clarino F
Color variations: Lilac x Pearl Lavender / Pink Beige x Pearl Beige / Carmine
Cosmos, meaning "harmonious universe" in Greek and "girl's sincerity" in flower language.
This lightweight randoseru is designed to represent a girl gently and beautifully blossoming while harmonizing with everything she encounters.
The two colors, Lilac x Pearl Lavender and Pink Beige x Pearl Beige, feature pearl accents in trendy colors.
Additionally, the gradient cosmos pattern reflection enhances individuality. The classic red (Carmine) maintains a basic single-color feel, while the cosmos pattern gradient reflection adds a subtle touch.
View Details
[New Product] Earth NASA Randoseru® WWF Model UNICA ANIMA
Product Number: WWF-N05
Tax-included price: 81,000 yen / Tax-excluded price: 89,100 yen
Gusset width: 12.5cm
Weight: Approx. 1,230g
Main material: Clarino Aqua Duo
Color variations: Frosty Gray / Turquoise / Olive Green
Insects, animals, trees—all are irreplaceable lives born of the Earth. In 2025, IUCN announced that over 40,000 species of wild animals are endangered.
This model was created with the desire to make a small change as companions of the Earth.
5% of sales will be used for WWF Japan's environmental conservation activities.
View Details
[New Color] Earth NASA Randoseru® YOLO
Product Number: EY-N01
Tax-included price: 72,000 yen / Tax-excluded price: 79,200 yen
Gusset width: 12.5cm
Weight: Approx. 1,140g
Main material: Clarino F
Color variations: Black x Navy (new color) / Nail Pink x Antique White / Lilac x Pink Beige / Bordeaux x Khaki
YOLO is an abbreviation for "You only live once."
It expresses respect for individuality through bold use of multiple colors and an unprecedented original asymmetrical flap design.
It embodies the wish for children to carry what they love.
*This product comes with one YOLO cover.
View Details
[Standard Product] LA-TERRA
A new challenge! CHIKYU's lightest model ever, approx. 1,000g
The Earth's function, the "23.4-degree axial tilt," is expressed in the flap design. It embodies the desire to watch over children living with the Earth. In addition to classic black and navy, it comes in a 3-color lineup including a rainbow that respects diverse individualities. The axial tilt design on the flap and the Earth design on the shoulder straps and sides are reflective, shining in the dark. It also uses Clarino F, a light and durable material. Its flexibility and body-hugging fit make it recommended for children who want to try a randoseru with the least possible burden.
View Details
[Standard Product] Liberte Air
CHIKYU's first yellow color
The "Liberte Air" series, an adult-girly series with gradient colored birds and feather designs that won't get boring for 6 years, welcomed pastel yellow last year. With trendy colors like lilac and mint in the lineup, it offers 5 stylish colors that are hard to choose from. The pastel yellow randoseru is sure to brighten every day.
Event Details *No reservation required
Date and Time
May 13 (Wed) - May 18 (Mon) *Ends at 4 PM on the last day
Location
Niigata Isetan 6F Event Hall
Address
1-6-1 Yachiyo, Chuo-ku, Niigata City, Niigata Prefecture 950-8589
Phone Number
025-242-1111
[New Product] Earth NASA Randoseru® COSMOS FILLES
Product Number: KF-N01
Tax-included price: 68,000 yen / Tax-excluded price: 74,800 yen
Gusset width: 12.5cm Weight: Approx. 1,010g
Main material: Clarino F
Color variations: Lilac x Pearl Lavender / Pink Beige x Pearl Beige / Carmine
Cosmos, meaning "harmonious universe" in Greek and "girl's sincerity" in flower language.
This lightweight randoseru is designed to represent a girl gently and beautifully blossoming while harmonizing with everything she encounters.
The two colors, Lilac x Pearl Lavender and Pink Beige x Pearl Beige, feature pearl accents in trendy colors.
Additionally, the gradient cosmos pattern reflection enhances individuality. The classic red (Carmine) maintains a basic single-color feel, while the cosmos pattern gradient reflection adds a subtle touch.
View Details
[New Product] Earth NASA Randoseru® WWF Model UNICA ANIMA
Product Number: WWF-N05
Tax-included price: 81,000 yen / Tax-excluded price: 89,100 yen
Gusset width: 12.5cm
Weight: Approx. 1,230g
Main material: Clarino Aqua Duo
Color variations: Frosty Gray / Turquoise / Olive Green
Insects, animals, trees—all are irreplaceable lives born of the Earth. In 2025, IUCN announced that over 40,000 species of wild animals are endangered.
This model was created with the desire to make a small change as companions of the Earth.
5% of sales will be used for WWF Japan's environmental conservation activities.
View Details
[New Color] Earth NASA Randoseru® YOLO
Product Number: EY-N01
Tax-included price: 72,000 yen / Tax-excluded price: 79,200 yen
Gusset width: 12.5cm
Weight: Approx. 1,140g
Main material: Clarino F
Color variations: Black x Navy (new color) / Nail Pink x Antique White / Lilac x Pink Beige / Bordeaux x Khaki
YOLO is an abbreviation for "You only live once."
It expresses respect for individuality through bold use of multiple colors and an unprecedented original asymmetrical flap design.
It embodies the wish for children to carry what they love.
*This product comes with one YOLO cover.
View Details
[Standard Product] LA-TERRA
A new challenge! CHIKYU's lightest model ever, approx. 1,000g
The Earth's function, the "23.4-degree axial tilt," is expressed in the flap design. It embodies the desire to watch over children living with the Earth. In addition to classic black and navy, it comes in a 3-color lineup including a rainbow that respects diverse individualities. The axial tilt design on the flap and the Earth design on the shoulder straps and sides are reflective, shining in the dark. It also uses Clarino F, a light and durable material. Its flexibility and body-hugging fit make it recommended for children who want to try a randoseru with the least possible burden.
View Details
[Standard Product] Liberte Air
CHIKYU's first yellow color
The "Liberte Air" series, an adult-girly series with gradient colored birds and feather designs that won't get boring for 6 years, welcomed pastel yellow last year. With trendy colors like lilac and mint in the lineup, it offers 5 stylish colors that are hard to choose from. The pastel yellow randoseru is sure to brighten every day.