Cheapest Pull-Up – S Diapers in Japan | Price per diaper
Where Can You Find the Lowest Price Right Now?
The current lowest effective price is ¥20.3 per diaper as of September 11, 2026. Including campaigns and reward points, "MamyPoko Doraemon Design Pull-Up Diapers – Size S" sold by Amazon販売店 is currently the cheapest option.
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#1 ¥20.3/diaper MamyPoko Doraemon Design Pull-Up Diapers – Size S 【販売店：Amazon販売店】
1
MamyPoko Doraemon Design Pull-Up Diapers – Size S
4~9kg ★5.0 (2)Effective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥20.6¥20.3
52 diapers ¥1,084 Free 11pt27ptYou can save about ¥0.3 per diaper with the following offers applied!
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Change Benefit Settings 》- Auto Applied Amazon Mastercard Holder +1.5%pt
amazon
Amazon販売店
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#2 ¥23.0/diaper Merries Air-Through Dry Skin Pull-Up Diapers – Size S 【販売店：Amazon販売店】
2
Merries Air-Through Dry Skin Pull-Up Diapers – Size S
4~8kg ★4.5 (673)Effective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥23.3¥23.0
222 diapers ¥5,229 Free 52pt131ptYou can save about ¥0.3 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Amazon Mastercard Holder +1.5%pt
amazon
Amazon販売店
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#3 ¥23.3/diaper MamyPoko Doraemon Design Pull-Up Diapers – Size S 【販売店：楽天24 ベビー館】
3
MamyPoko Doraemon Design Pull-Up Diapers – Size S
4~9kg ★4.8 (56)Effective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥24.7¥23.3
156 diapers ¥3,927 Free 71pt285ptYou can save about ¥1.4 per diaper with the following offers applied!
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楽天24 ベビー館
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#4 ¥23.3/diaper MamyPoko Doraemon Design Pull-Up Diapers – Size S 【販売店：楽天24】
4
MamyPoko Doraemon Design Pull-Up Diapers – Size S
4~9kgEffective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥24.7¥23.3
156 diapers ¥3,927 Free 71pt285ptYou can save about ¥1.4 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Rakuten Card Holder +2%pt
- Auto Applied Rakuten Mobile Subscriber +4%pt
Discounts & Campaigns Available Today
- Apply 【】+1%pt
rakuten
楽天24
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#5 ¥24.5/diaper Merries Air-Through Dry Skin Pull-Up Diapers – Size S 【販売店：マツモトキヨシ楽天市場店】
5
Merries Air-Through Dry Skin Pull-Up Diapers – Size S
4~8kg ★4.3 (7)Effective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥25.9¥24.5
186 diapers ¥4,913 Free 89pt357ptYou can save about ¥1.4 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Rakuten Card Holder +2%pt
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マツモトキヨシ楽天市場店
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#6 ¥25.0/diaper Pampers Dry Care Pull-Up Diapers – Size S 【販売店：ひかりTVショッピング 楽天市場店】
6
Pampers Dry Care Pull-Up Diapers – Size S
4~8kg ★4.9 (19)Effective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥26.5¥25.0
222 diapers ¥5,980 Free 108pt434ptYou can save about ¥1.5 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Rakuten Card Holder +2%pt
- Auto Applied Rakuten Mobile Subscriber +4%pt
Discounts & Campaigns Available Today
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rakuten
ひかりTVショッピング 楽天市場店
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#7 ¥25.0/diaper Merries Air-Through Dry Skin Pull-Up Diapers – Size S 【販売店：楽天24 ベビー館】
7
Merries Air-Through Dry Skin Pull-Up Diapers – Size S
4~8kg ★4.8 (4018)Effective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥26.5¥25.0
222 diapers ¥5,980 Free 108pt434ptYou can save about ¥1.5 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Rakuten Card Holder +2%pt
- Auto Applied Rakuten Mobile Subscriber +4%pt
Discounts & Campaigns Available Today
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rakuten
楽天24 ベビー館
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#8 ¥25.5/diaper Merries Air-Through Dry Skin Pull-Up Diapers – Size S 【販売店：楽天24 ベビー館】
8
Merries Air-Through Dry Skin Pull-Up Diapers – Size S
4~8kg ★4.7 (4329)Effective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥27.0¥25.5
186 diapers ¥5,120 Free 93pt372ptYou can save about ¥1.5 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Rakuten Card Holder +2%pt
- Auto Applied Rakuten Mobile Subscriber +4%pt
Discounts & Campaigns Available Today
- Apply 【】+1%pt
rakuten
楽天24 ベビー館
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#9 ¥25.6/diaper Merries Air-Through Dry Skin Pull-Up Diapers – Size S 【販売店：暮らし健康ネット館】
9
Merries Air-Through Dry Skin Pull-Up Diapers – Size S
4~8kg ★0.0 (22)Effective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥27.1¥25.6
372 diapers ¥10,263 Free 186pt746ptYou can save about ¥1.5 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Rakuten Card Holder +2%pt
- Auto Applied Rakuten Mobile Subscriber +4%pt
Discounts & Campaigns Available Today
- Apply 【】+1%pt
rakuten
暮らし健康ネット館
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#10 ¥25.6/diaper Merries Air-Through Dry Skin Pull-Up Diapers – Size S 【販売店：便利生活 マイルーム】
10
Merries Air-Through Dry Skin Pull-Up Diapers – Size S
4~8kgEffective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥27.1¥25.6
372 diapers ¥10,263 Free 186pt746ptYou can save about ¥1.5 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Rakuten Card Holder +2%pt
- Auto Applied Rakuten Mobile Subscriber +4%pt
Discounts & Campaigns Available Today
- Apply 【】+1%pt
rakuten
便利生活 マイルーム
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#11 ¥25.6/diaper Merries Air-Through Dry Skin Pull-Up Diapers – Size S 【販売店：快適ホーム】
11
Merries Air-Through Dry Skin Pull-Up Diapers – Size S
4~8kgEffective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥27.1¥25.6
372 diapers ¥10,263 Free 186pt746ptYou can save about ¥1.5 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Rakuten Card Holder +2%pt
- Auto Applied Rakuten Mobile Subscriber +4%pt
Discounts & Campaigns Available Today
- Apply 【】+1%pt
rakuten
快適ホーム
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#12 ¥25.6/diaper Merries Air-Through Dry Skin Pull-Up Diapers – Size S 【販売店：こどもラボ】
12
Merries Air-Through Dry Skin Pull-Up Diapers – Size S
4~8kgEffective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥27.1¥25.6
372 diapers ¥10,263 Free 186pt746ptYou can save about ¥1.5 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Rakuten Card Holder +2%pt
- Auto Applied Rakuten Mobile Subscriber +4%pt
Discounts & Campaigns Available Today
- Apply 【】+1%pt
rakuten
こどもラボ
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#13 ¥25.6/diaper Merries Air-Through Dry Skin Pull-Up Diapers – Size S 【販売店：子育ての店 ベビー・キッズ】
13
Merries Air-Through Dry Skin Pull-Up Diapers – Size S
4~8kgEffective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥27.1¥25.6
372 diapers ¥10,263 Free 186pt746ptYou can save about ¥1.5 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Rakuten Card Holder +2%pt
- Auto Applied Rakuten Mobile Subscriber +4%pt
Discounts & Campaigns Available Today
- Apply 【】+1%pt
rakuten
子育ての店 ベビー・キッズ
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#14 ¥25.9/diaper Merries First Premium Pull-Up Diapers – Size S 【販売店：セイムスオンライン楽天市場店】
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Merries First Premium Pull-Up Diapers – Size S
4~8kg ★5.0 (3)Effective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥30.1¥25.9
156 diapers ¥4,785 Free 87pt739ptYou can save about ¥4.2 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Rakuten Card Holder +2%pt
- Auto Applied Rakuten Mobile Subscriber +4%pt
Discounts & Campaigns Available Today
- Apply 【】+1%pt
- Auto Applied +9%pt
rakuten
セイムスオンライン楽天市場店
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#15 ¥26.5/diaper MamyPoko Doraemon Design Pull-Up Diapers – Size S 【販売店：Amazon販売店】
15
MamyPoko Doraemon Design Pull-Up Diapers – Size S
4~9kg ★4.5 (2)Effective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥26.9¥26.5
156 diapers ¥4,233 Free 42pt106ptYou can save about ¥0.4 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Amazon Mastercard Holder +1.5%pt
amazon
Amazon販売店
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#16 ¥28.0/diaper MamyPoko Doraemon Design Pull-Up Diapers – Size S 【販売店：ヤマダ電機 楽天市場店】
16
MamyPoko Doraemon Design Pull-Up Diapers – Size S
4~9kg ★0.0 (1)Effective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥29.7¥28.0
156 diapers ¥4,712 Free 85pt342ptYou can save about ¥1.7 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Rakuten Card Holder +2%pt
- Auto Applied Rakuten Mobile Subscriber +4%pt
Discounts & Campaigns Available Today
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rakuten
ヤマダ電機 楽天市場店
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#17 ¥28.0/diaper MamyPoko Doraemon Design Pull-Up Diapers – Size S 【販売店：KIMURAYA NET TASTE】
17
MamyPoko Doraemon Design Pull-Up Diapers – Size S
4~9kg ★5.0 (1)Effective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥29.7¥28.0
156 diapers ¥4,712 Free 85pt342ptYou can save about ¥1.7 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Rakuten Card Holder +2%pt
- Auto Applied Rakuten Mobile Subscriber +4%pt
Discounts & Campaigns Available Today
- Apply 【】+1%pt
- Auto Applied +0%pt
rakuten
KIMURAYA NET TASTE
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#18 ¥28.0/diaper MamyPoko Doraemon Design Pull-Up Diapers – Size S 【販売店：キムラヤ楽天市場店】
18
MamyPoko Doraemon Design Pull-Up Diapers – Size S
4~9kg ★0.0 (1)Effective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥29.7¥28.0
156 diapers ¥4,712 Free 85pt342ptYou can save about ¥1.7 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Rakuten Card Holder +2%pt
- Auto Applied Rakuten Mobile Subscriber +4%pt
Discounts & Campaigns Available Today
- Apply 【】+1%pt
- Auto Applied +0%pt
rakuten
キムラヤ楽天市場店
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#19 ¥28.0/diaper MamyPoko Doraemon Design Pull-Up Diapers – Size S 【販売店：イーウェルネス楽天市場店】
19
MamyPoko Doraemon Design Pull-Up Diapers – Size S
4~9kg ★0.0 (3)Effective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥29.7¥28.0
156 diapers ¥4,712 Free 85pt342ptYou can save about ¥1.7 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Rakuten Card Holder +2%pt
- Auto Applied Rakuten Mobile Subscriber +4%pt
Discounts & Campaigns Available Today
- Apply 【】+1%pt
- Auto Applied +0%pt
rakuten
イーウェルネス楽天市場店
-
#20 ¥28.1/diaper Merries Air-Through Dry Skin Pull-Up Diapers – Size S 【販売店：楽天24】
20
Merries Air-Through Dry Skin Pull-Up Diapers – Size S
4~8kg ★4.5 (15)Effective Price/diaper Quantity Price incl. Tax Shipping Estimated Points ¥29.7¥28.1
186 diapers ¥5,633 Free 102pt409ptYou can save about ¥1.6 per diaper with the following offers applied!
Your Benefits
Change Benefit Settings 》- Auto Applied Rakuten Card Holder +2%pt
- Auto Applied Rakuten Mobile Subscriber +4%pt
Discounts & Campaigns Available Today
- Apply 【】+1%pt
rakuten
楽天24
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The lowest price is calculated based on the price per diaper, including shipping and reward points. Prices and conditions may vary depending on your personal settings and the latest information, so please check the retailer’s website for the most accurate details.
「適用する」は詳細ページにてクーポン取得やエントリーすると誰でもお得になるため、忘れずに申請してね（販売サイトで自動適用されないので見逃し多数💦）
Features and How to Choose Pull-Up – S Diapers
A pull-up diaper size generally recommended for babies weighing 4 to 8kg, often introduced from around 4 months old when babies begin sitting with support. This is commonly the first size used when switching from tape diapers to pull-up diapers. Pull-up diapers are easy to change whether the baby is lying down or standing, and a snug leg fit helps prevent leaks as babies move more. Once crawling becomes active, pull-up diapers are often easier to use and stay in place better.
