Nishimatsuya Launches 'All-Night-Long' Overnight Pants from its SmartAngel Baby Pants Line, which has sold over 6 million packs
Key facts
- Nishimatsuya Launches 'All-Night-Long' Overnight Pants from its SmartAngel Baby Pants Line, which has sold over 6 million packs
- Nishimatsuya Chain Co., Ltd. has launched 'SmartAngel Overnight Pants' in XL and XXL sizes as a new product in its private brand 'SmartAngel,' available at its stores nationwide and on its official online store. The product is designed for nighttime use, featuring a Japanese-made superabsorbent polymer that can absorb up to five instances of toddler urination. It meets the needs of parenting households with an affordable price point.
- Source: PR Times
- Date: June 10, 2026
Direct answer
Nishimatsuya Chain Co., Ltd. has launched 'SmartAngel Overnight Pants' in XL and XXL sizes as a new product in its private brand 'SmartAngel,' available at its stores nationwide and on its official online store. The product is designed for nighttime use, featuring a Japanese-made superabsorbent polymer that can absorb up to five instances of toddler urination. It meets the needs of parenting households with an affordable price point.
- Citation
- Nishimatsuya Launches 'All-Night-Long' Overnight Pants from its SmartAngel Baby Pants Line, which has sold over 6 million packs (June 10, 2026), PR Times
- Source
- PR Times
- Date
- June 10, 2026
Nishimatsuya Chain Co., Ltd. has launched 'SmartAngel Overnight Pants' in XL and XXL sizes as a new product in its private brand 'SmartAngel,' available at its stores nationwide and on its official online store. The product is designed for nighttime use, featuring a Japanese-made superabsorbent polymer that can absorb up to five instances of toddler urination. It meets the needs of parenting households with an affordable price point.
📋 Article Processing Timeline
- 📰 Published: June 10, 2026 at 12:00
- 🔍 Collected: June 10, 2026 at 12:22 (22 min after Published)
- 🤖 AI Analyzed: June 11, 2026 at 05:47 (17h 25m after Collected)
Nishimatsuya Chain Co., Ltd. has announced the launch of its new products, 'SmartAngel Overnight Pants XL size' and 'XXL size,' under its private brand 'SmartAngel.' The products are now available at all Nishimatsuya stores nationwide and on the official Nishimatsuya online store.
The SmartAngel diaper line, which started with the 'Baby Pants' pull-up type in 2019, has been highly successful, with cumulative sales exceeding 6 million packs. Building on this success, the company has developed the new 'SmartAngel Overnight Pants' series. This product uses a Japanese-made superabsorbent polymer designed to absorb five instances of urination (based on a standard of 60cc per instance), ensuring peace of mind until morning. Furthermore, the company has achieved a price point under 1,000 yen, with both the XL size (30 count) and XXL size (28 count) priced at 849 yen (933 yen including tax).
■ Features of 'SmartAngel Overnight Pants'
1. Reliable Absorbency
Uses Japanese-made superabsorbent polymer to absorb five pees (assuming 60cc per urination).
2. Secure Leak-Proof Gathers
Features snug-fitting gathers that prevent leaks even with movement.
3. Special Textured Surface for a Dry Feel
A special convex-processed surface that touches the baby's skin enhances breathability, maintaining a dry feel even after urination. The inner sheet is made of soft cotton pulp.
4. Perfect Fit Waistband
Gently fits around the stomach without being restrictive.
5. Wetness Indicator
Includes a line that changes color to indicate when it's time for a change.
6. Affordable Price
Priced affordably at 849 yen (933 yen including tax) for both the 30-count XL and 28-count XXL packs. The per-diaper cost is approximately 31 yen for XL and 33 yen for XXL.
Nishimatsuya will continue to support parenting households by pursuing product development that satisfies both function and price.
The SmartAngel diaper line, which started with the 'Baby Pants' pull-up type in 2019, has been highly successful, with cumulative sales exceeding 6 million packs. Building on this success, the company has developed the new 'SmartAngel Overnight Pants' series. This product uses a Japanese-made superabsorbent polymer designed to absorb five instances of urination (based on a standard of 60cc per instance), ensuring peace of mind until morning. Furthermore, the company has achieved a price point under 1,000 yen, with both the XL size (30 count) and XXL size (28 count) priced at 849 yen (933 yen including tax).
■ Features of 'SmartAngel Overnight Pants'
1. Reliable Absorbency
Uses Japanese-made superabsorbent polymer to absorb five pees (assuming 60cc per urination).
2. Secure Leak-Proof Gathers
Features snug-fitting gathers that prevent leaks even with movement.
3. Special Textured Surface for a Dry Feel
A special convex-processed surface that touches the baby's skin enhances breathability, maintaining a dry feel even after urination. The inner sheet is made of soft cotton pulp.
4. Perfect Fit Waistband
Gently fits around the stomach without being restrictive.
5. Wetness Indicator
Includes a line that changes color to indicate when it's time for a change.
6. Affordable Price
Priced affordably at 849 yen (933 yen including tax) for both the 30-count XL and 28-count XXL packs. The per-diaper cost is approximately 31 yen for XL and 33 yen for XXL.
Nishimatsuya will continue to support parenting households by pursuing product development that satisfies both function and price.
FAQ
西松屋チェーンが発売した新商品は何ですか?
プライベートブランド「SmartAngel」から新発売された「SmartAngel 夜用パンツ」です。サイズはXLとXXLがあります。
「SmartAngel 夜用パンツ」の主な特長は何ですか?
日本製の高分子吸水ポリマーを使用し、おしっこ5回分を吸収する高い吸収力が特長です。その他、モレ防止ギャザー、濡れてもサラッとした肌触り、お知らせラインなどの機能を備えています。
新商品の価格はいくらですか?
XLサイズ(30枚入り)とXXLサイズ(28枚入り)のどちらも、849円(税込933円)です。
この商品はどこで購入できますか?
全国の西松屋チェーンの店舗および、西松屋公式オンラインストアにて購入可能です。
既存の「SmartAngel ベビーパンツ」はどれくらい売れていますか?
2019年2月から2026年5月までの期間で、累計販売数が600万パックを突破しています。