New "Rilakkuma Baby" Items Appear at Belle Maison♪ Rompers and Pajamas that Enhance Baby's Cuteness are Now on Sale from Mid-March 2026!
Belle Maison Net has launched new "Rilakkuma Baby" design items exclusively from March 12, 2026. The collection includes rompers (2,790 yen each) and pajamas (2,990 yen each), available in Rilakkuma and Korilakkuma designs. Sizes range from 60-80cm for rompers and 80-100cm for pajamas. IP4 Corporation handles character licensing and sales based on a license agreement.
📋 Article Processing Timeline
- 📰 Published: April 14, 2026 at 19:00
- 🔍 Collected: April 14, 2026 at 10:31
- 🤖 AI Analyzed: April 16, 2026 at 17:34 (55h 3m after Collected)
IP4 Corporation (Headquarters: Toshima-ku, Tokyo; Representative Director and President: Tsuyoshi Kohama) conducts character copyright brokerage and sales based on a license agreement with San-X Co., Ltd. (Headquarters: Chiyoda-ku, Tokyo; Representative Director and President: Hiroshi Senda).
New items featuring "Rilakkuma Baby" designs are now available from the mail-order company Belle Maison Net! They have been on sale exclusively on Belle Maison Net since Thursday, March 12, 2026. Be sure to check them out!
Belle Maison Exclusive Rilakkuma Baby Items
[Product Details]
■ Oshiri Face Short-Sleeve Frog Romper: 2,790 yen each (tax included)
2 designs: Rilakkuma (Sax Gingham) / Korilakkuma (Pink Gingham)
3 sizes: 60, 70, 80 cm
Product page: https://www.bellemaison.jp/shop/commodity/0000/1272371
Cute crawling back view ♡
■ Rilakkuma Baby Short-Sleeve Pajamas: 2,990 yen each (tax included)
2 designs: Rilakkuma (Sax type) / Korilakkuma (Pink type)
3 sizes: 80, 90, 100cm
Product page: https://www.bellemaison.jp/shop/commodity/0000/1272372
Pants come with a belly warmer to prevent chills while sleeping ☆
[About Belle Maison]
Belle Maison is a mail-order brand launched by Senshukai in 1976. In addition to catalog mail order, the online shop "Belle Maison Net" (https://www.bellemaison.jp/) offers products and services that cater to various lifestyles and life stages, primarily focusing on original products such as fashion, cosmetics, miscellaneous goods, interiors, and character goods.
X: Belle Maison for Moms and Babies [Official] @bellemaisonmama
instagram: Belle Maison GITA @bellemaison_mama
[About "Rilakkuma Baby"]
For those who are about to become parents, and all parenting generations.
"Rilakkuma Baby" was started for those who want to spend time with Rilakkuma even after becoming parents, and who want items that can be used with their children.
The baby goods feature gentle colors unique to baby products and designs that are soothing even for adults.
Special page: https://www.san-x.co.jp/rilakkuma/baby/
[About San-X]
San-X continues to create over 1,000 100% original characters such as Rilakkuma, Sumikko Gurashi, and Tarepanda, delivering their mysterious charm worldwide through original products, licensing businesses, various events and promotions, and videos.
Their characters are cute yet have a subtly humorous surrealism, and a kindness that embraces and comforts the heart. San-X characters, which are not just cute, attract many people.
San-X Official HP: https://www.san-x.co.jp/
[About IP4 Corporation]
IP4 Corporation is a company that operates a licensing business (brokerage and sales of character copyrights, etc.) and a capsule vendor business that sells capsule toys of numerous characters and brands.
Company Name: IP4 Corporation
Head Office Location: Metro City Nishi-Ikebukuro, 5-1-3 Nishi-Ikebukuro, Toshima-ku, Tokyo
Representative Director: Tsuyoshi Kohama
Business Activities: Licensing business (brokerage and sales of character copyrights, etc.), Capsule vendor business
Established: May 2002
Phone Number: 03-5951-1940
HP: https://www.ip4.co.jp/
Contact: rights@ip4.co.jp
©2026 San-X Co., Ltd. All Rights Reserved.
New items featuring "Rilakkuma Baby" designs are now available from the mail-order company Belle Maison Net! They have been on sale exclusively on Belle Maison Net since Thursday, March 12, 2026. Be sure to check them out!
Belle Maison Exclusive Rilakkuma Baby Items
[Product Details]
■ Oshiri Face Short-Sleeve Frog Romper: 2,790 yen each (tax included)
2 designs: Rilakkuma (Sax Gingham) / Korilakkuma (Pink Gingham)
3 sizes: 60, 70, 80 cm
Product page: https://www.bellemaison.jp/shop/commodity/0000/1272371
Cute crawling back view ♡
■ Rilakkuma Baby Short-Sleeve Pajamas: 2,990 yen each (tax included)
2 designs: Rilakkuma (Sax type) / Korilakkuma (Pink type)
3 sizes: 80, 90, 100cm
Product page: https://www.bellemaison.jp/shop/commodity/0000/1272372
Pants come with a belly warmer to prevent chills while sleeping ☆
[About Belle Maison]
Belle Maison is a mail-order brand launched by Senshukai in 1976. In addition to catalog mail order, the online shop "Belle Maison Net" (https://www.bellemaison.jp/) offers products and services that cater to various lifestyles and life stages, primarily focusing on original products such as fashion, cosmetics, miscellaneous goods, interiors, and character goods.
X: Belle Maison for Moms and Babies [Official] @bellemaisonmama
instagram: Belle Maison GITA @bellemaison_mama
[About "Rilakkuma Baby"]
For those who are about to become parents, and all parenting generations.
"Rilakkuma Baby" was started for those who want to spend time with Rilakkuma even after becoming parents, and who want items that can be used with their children.
The baby goods feature gentle colors unique to baby products and designs that are soothing even for adults.
Special page: https://www.san-x.co.jp/rilakkuma/baby/
[About San-X]
San-X continues to create over 1,000 100% original characters such as Rilakkuma, Sumikko Gurashi, and Tarepanda, delivering their mysterious charm worldwide through original products, licensing businesses, various events and promotions, and videos.
Their characters are cute yet have a subtly humorous surrealism, and a kindness that embraces and comforts the heart. San-X characters, which are not just cute, attract many people.
San-X Official HP: https://www.san-x.co.jp/
[About IP4 Corporation]
IP4 Corporation is a company that operates a licensing business (brokerage and sales of character copyrights, etc.) and a capsule vendor business that sells capsule toys of numerous characters and brands.
Company Name: IP4 Corporation
Head Office Location: Metro City Nishi-Ikebukuro, 5-1-3 Nishi-Ikebukuro, Toshima-ku, Tokyo
Representative Director: Tsuyoshi Kohama
Business Activities: Licensing business (brokerage and sales of character copyrights, etc.), Capsule vendor business
Established: May 2002
Phone Number: 03-5951-1940
HP: https://www.ip4.co.jp/
Contact: rights@ip4.co.jp
©2026 San-X Co., Ltd. All Rights Reserved.
FAQ
Where can I purchase the new "Rilakkuma Baby" items?
They are exclusively available on Belle Maison Net.
What kind of new items are available?
Short-sleeved rompers and short-sleeved pajamas are available.