“How many diapers should I pack for two weeks in Japan?”
“Can I buy formula there? What if my baby doesn’t like it?”
“Is baby food even a thing in Japanese stores?”
Take a deep breath — I have wonderful news. Japan is one of the easiest countries in the world to travel with a baby. The diapers are world-class (some tourists literally take them home as souvenirs), formula comes in genius travel-friendly formats, and baby food pouches line the shelves of every drugstore.
I’m Travel Mama Bear 🐻 — a mom living in Japan who has raised my kids on these exact products. In this guide, I’ll show you what’s actually on the shelves (with real photos), how to read Japanese sizes, and the secret baby items from Japanese ¥100 shops that will change your travel game.
What you’ll learn in this article:
- Japanese diaper brands and how to read the sizes
- Formula options — including cubes and liquid formula (game-changers!)
- Baby food: what’s available and how to check ingredients
- Where to shop: drugstores, Nishimatsuya, Akachan Honpo & more
- Genius Japanese baby items worth buying (many under ¥110!)
⚡ Quick Answer — Start Here!
| Question | Quick Answer |
|---|---|
| Can I buy diapers in Japan? | ✅ Yes — excellent quality (Merries, Moony, Pampers Japan, Goon) |
| Can I buy formula? | ✅ Yes — powder, cubes, AND ready-to-drink liquid formula |
| Can I buy baby food? | ✅ Yes — huge pouch selection at every drugstore |
| How much should I pack? | Just 3–5 days’ worth — buy the rest in Japan |
| Where to shop? | Drugstores (everywhere), Nishimatsuya, Akachan Honpo, Babies R Us |
| Emergency at night? | Don Quijote (open late) or convenience stores (some carry diapers) |
🐻 Travel Mama Bear says: “My biggest advice: don’t stuff your suitcase with two weeks of diapers! Pack 3–5 days’ worth for the adjustment period, then shop like a local. Your suitcase (and your back) will thank you — and you’ll have room for souvenirs on the way home!”
👶 Diapers in Japan — Brands, Sizes & Where to Buy
Japanese Diaper Brands (They’re All Excellent)
Here’s something that surprises many visitors: Japanese diapers are considered among the best in the world. They’re softer, thinner, and more absorbent than most Western brands — and noticeably better at preventing diaper rash.
| Brand | Known For |
|---|---|
| Merries (メリーズ) | Breathability — the go-to for sensitive skin |
| Moony (ムーニー) | Softness and fit — gentle on chubby thighs |
| Pampers Japan | Same brand you know, but the Japanese version is thinner with higher absorbency |
| Goon (グ〜ン) | Great value, sensitive-skin line available |
🐻 Travel Mama Bear says: “I used Moony (Moonyman) for my kids. Back then, they had Disney character designs — and as a huge Disney fan surviving those exhausting newborn days, opening a pack of cute diapers genuinely lifted my spirits. Never underestimate the small joys of parenting! The designs change over the years, but Japanese diapers always come with adorable patterns.”
How to Read Japanese Diaper Sizes ★ Must-Know!
Japanese diaper sizes work by weight (kg), not age. Here’s the cheat sheet:
| Size | Weight Range | Approx. (lbs) |
|---|---|---|
| 新生児 (Newborn) | Up to 5 kg | Up to 11 lbs |
| S | 4–8 kg | 9–17 lbs |
| M | 6–11 kg | 13–24 lbs |
| L | 9–14 kg | 20–31 lbs |
| BIG (XL) | 12–22 kg | 26–44 lbs |
| BIG より大きい (XXL) | 13–28 kg | 28–62 lbs |
Two important tips:
- ⚠️ Japanese diapers run small. Japanese babies average around 3,000g at birth, so sizing is calibrated smaller than Western brands. When in doubt, go one size up.
- 📏 Know your baby’s weight in kg before you travel. The weight range is printed right on the package — if you know the kg, you can shop without reading any Japanese.
Tape Type vs. Pants Type — Check Before You Buy!
- テープ (Tape type) — traditional diapers with tabs, for babies not yet crawling
- パンツ (Pants type / Pull-ups) — for wriggly babies and toddlers
The packaging usually shows a picture of the diaper style, so even without Japanese you can tell them apart. Look for テープ (tape) or パンツ (pants) on the package.
Where to Buy Diapers
- 💊 Drugstores (Matsumoto Kiyoshi, Welcia, Sundrug, Kirindo) — everywhere in Japan, always stock diapers
- 👶 Nishimatsuya / Akachan Honpo / Babies R Us — biggest selection (details below)
- 🎪 Don Quijote — open late, located in tourist areas like Shibuya and Dotonbori
- 🏪 Convenience stores — some carry small emergency packs (not all stores)
About ¥1,000–¥3,000 buys you a pack of 50–70 diapers — very reasonable by global standards. (Price varies by brand and quality — organic/premium lines run a bit higher.)
🍼 Baby Formula in Japan — Powder, Cubes & Liquid
Powdered Formula Brands
Major Japanese formula brands — all held to extremely strict quality standards:
- Meiji Hohoemi (明治ほほえみ) — the most popular
- Morinaga Hagukumi (森永はぐくみ)
- Wakodo (和光堂)
The Travel Game-Changer: Raku Raku Cube ★
Here’s a Japanese invention every traveling parent needs to know: Meiji Hohoemi Raku Raku Cube — formula compressed into solid cubes. One cube = one measured serving. No scooping, no measuring, no spilled powder in your diaper bag.
🐻 Travel Mama Bear says: “I used these cubes constantly with my kids. No measuring means zero stress — for day trips and overnight stays, I just tossed a few cubes in my bag instead of hauling the whole formula can. All you need is a bottle and hot water. My diaper bag was dramatically lighter. This is the one item I recommend to every traveling parent!”
Liquid Formula — Yes, Japan Has It!
Even better for travel days: ready-to-drink liquid formula (明治ほほえみ らくらくミルク). No hot water, no mixing — open and feed. It comes in cans and cartons, available at drugstores and baby stores.
💡 Pro tip: Pair the carton type with a “Chu Chu paper-pack nipple” (チュチュ 紙パック用乳首) — a reusable nipple that attaches directly to the carton. No bottle transfer needed. Perfect for babies who can’t use straws yet. (More on this genius item below!)
Hot Water Is Everywhere in Japan
Worried about finding hot water for formula? Here’s where to look:
- 🏬 Many department store & mall baby rooms have hot water dispensers (not guaranteed everywhere, so don’t count on it)
- 🏨 Hotels provide electric kettles in rooms
💡 Pro tip: The Shinkansen doesn’t provide hot water — crew can point you to the multipurpose room for feeding, but bring your own. If you’ll be out and about (or riding the train) at feeding time, it’s safest to carry hot water in an insulated bottle rather than relying on finding some.
🥣 Baby Food in Japan
Japanese drugstores have an entire section of baby food pouches and jars — mainly from Wakodo (和光堂) and Kewpie (キユーピー). Rice porridge, vegetables, fish, chicken — it’s a full menu.
How to Read the Age Labels
| Label | Meaning |
|---|---|
| 5ヶ月頃から | From around 5 months |
| 7ヶ月頃から | From around 7 months |
| 9ヶ月頃から | From around 9 months |
| 12ヶ月頃から / 1才頃から | From around 12 months / 1 year |
💡 Retort pouches don’t need heating — they’re safe to serve at room temperature, which makes them perfect for sightseeing days. Just open and feed.
⚠️ Allergy check: Use Google Translate’s camera mode to scan the ingredients list on the back. Japan has mandatory allergy labeling for major allergens (egg, milk, wheat, buckwheat, peanuts, shrimp, crab), so the information is there — you just need to translate it.
🏪 Where to Shop — Baby Store Guide
| Store | Best For | Where to Find |
|---|---|---|
| 💊 Drugstores (Matsumoto Kiyoshi, Welcia, etc.) | Everyday needs — diapers, wipes, formula, baby food | Everywhere — every neighborhood and shopping street |
| 👶 Nishimatsuya (西松屋) | Lowest prices — clothes, consumables | Suburban locations nationwide |
| 🐘 Akachan Honpo (アカチャンホンポ) | Biggest selection — everything baby | Major cities, often inside malls |
| 🧸 Babies R Us | Wide selection, bulk sizes | Inside major malls |
| 🎪 Don Quijote | Late-night emergencies + fun souvenir shopping | Tourist areas (Shibuya, Shinjuku, Dotonbori) |
| 🏪 Convenience stores | Emergency small packs (some stores) | Literally every corner |
🐻 Travel Mama Bear says: “If you want one-stop shopping, head to Nishimatsuya, Akachan Honpo, or Babies R Us — everything you could possibly need is there. But honestly, for diapers, wipes, formula, and baby food, the drugstore around the corner from your hotel will have you covered!”
🎒 Genius Japanese Baby Items Worth Buying (Many Under ¥110!)
This is my favorite section. Japan’s baby product culture is next-level, and the ¥100 shops (Daiso, Seria) carry baby items that will genuinely upgrade your trip. Here’s what this Japan-based mom actually recommends:
🧻 Japanese Baby Wipes — The Ultimate Multi-Tool
Japanese baby wipes are high quality and come in big value packs. And they’re not just for diaper changes — wipe your toddler’s hands, clean up restaurant messes, wipe away sweat on hot days. For parents, they’re an everything-tool.
- 99% pure water wipes are widely available — gentle enough for newborn skin
- Wipe lids (¥110 at Daiso/Seria) — snap-on plastic lids that keep wipes from drying out. Some even hold a photo, and there are Sanrio, Disney, and Doraemon character versions!
🍼 Feeding Heroes
- Chu Chu Paper-Pack Nipple (チュチュ 紙パック用乳首) — attaches directly to baby drink cartons. No transferring to a bottle, washable and reusable. A lifesaver for babies who can’t use straws yet
- Carton drink holder (¥110 at Daiso) — prevents the classic “toddler squeezes the juice box and it erupts everywhere” disaster
- PET bottle straw caps (¥110) — turns any bottled drink into a straw cup. Sanrio character versions available!
- Disposable bibs — many restaurants (McDonald’s, food courts) don’t provide kids’ bibs. Toss a few in your bag
- Chair belt (キャリフリー チェアベルト) — a fabric harness that turns any adult chair into a baby-safe seat. Perfect for restaurants without high chairs
🚼 Diaper Bag Upgrades
- Odor-blocking diaper disposal bags (防臭おむつ袋) — when there’s no trash can nearby (very common in Japan!), seal the used diaper in one of these and nobody will ever know. Essential
- Compression pouches — carrying 5+ diapers is bulky. Compress them flat and reclaim your bag space
- Baby shoe clips — clip your baby’s shoes to the stroller when they kick them off. No more lost shoes, no dirty shoes floating around your bag
- Stroller hooks (¥110 at Daiso) — velcro or clip-on hooks that hold your shopping bags on the stroller. 360-degree rotating versions available
- Blanket clips — keep the blanket from sliding off the stroller
✨ Bonus Tips from a Japanese Mom
- ¥100 shop toys — buy a new toy for the outing, let them play, no guilt if it gets lost or abandoned. This trick saves every long train ride
- Jinbei (甚平) for summer — traditional Japanese summer outfits for babies and kids. Cool, comfortable, adorable — and an amazing souvenir photo opportunity
- Retort baby food pouches — no heating needed, serve straight from the pouch while sightseeing
🐻 Travel Mama Bear says: “Half of these are under ¥110 at Daiso or Seria — a fraction of what specialty baby stores charge back home. Hit a ¥100 shop early in your trip, stock up on these little heroes, and thank me later!”
📱 Before You Go
Google Translate Camera Is Your Best Friend
Point your phone camera at any package — diaper sizes, formula instructions, allergy labels — and get an instant translation. Download the Japanese offline pack before you leave home.
Stay Connected from the Moment You Land
You’ll need data for translating labels, finding the nearest drugstore, and navigating with a stroller (Google Maps’ elevator routes are essential). We use and recommend Airalo’s Japan eSIM — set it up before your flight, and you’re connected when you land. No airport queues with a tired baby.
👉 Read our full review with real speed tests: Airalo Japan eSIM Review (Tested by a Mom)
❓ FAQ
How many diapers should I pack for Japan?
Just 3–5 days’ worth. You can buy excellent diapers at any drugstore in Japan for about ¥1,000–¥3,000 per pack of 50–70, depending on the brand. Don’t waste suitcase space!
Is there hypoallergenic formula in Japan?
Yes — allergy-friendly formulas (アレルギー対応ミルク) are available at Akachan Honpo and larger drugstores. If your baby has specific needs, bring enough of your usual formula and use Japanese formula as backup.
Can I find diapers late at night?
Don Quijote stores (many open until late or 24 hours) stock diapers and are located in major tourist areas. Some convenience stores also carry small emergency packs.
Where do I change diapers when out sightseeing?
Japan is incredibly well-equipped — department stores, malls, and major stations have dedicated baby rooms with changing tables (and often nursing rooms and hot water). We’ll cover this in detail in an upcoming guide!
🗺️ Ready to Pack (Light)?
Japan might be the easiest country in the world to travel with a baby. The products are excellent, the stores are everywhere, and the baby-friendly culture runs deep. Pack a few days of essentials, and shop the rest like a local — I promise it’s part of the fun. 🐻
🏨 First Things First: Pick a Baby-Friendly Base
Here’s the tip that made our own trips so much easier: choose a hotel within a few minutes of a drugstore or baby store. That way you can restock diapers, formula, and wipes without a special trip — and dash back to the room for naps. We’ve stayed at (and researched) dozens of family hotels in each city, so start here:
More to plan your trip:
