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The collection

Moomin Baby Diapers.

"The most convenient diaper" for every size, from newborn to growing toddler.

Up to 12 h dry night-time absorption
Always perfect fit stretchy elastics
Allergy approved since 1997
Made in Finland Tammisaari · FI

Find the right size in 5 seconds.

Pick by weight, not age. Tap a size to go to its product page.

NB1
2–5 kg
NB2
3–6 kg
Size 3
5–9 kg
Size 4
7–14 kg
Size 5
11–16 kg
Size 6
15–25 kg
Pants 4
7–11 kg
Pants 5
10–15 kg
Pants 6
12–20 kg
Pants 7
16–26 kg
Loved by 9/10 parents.Open Diaper size 1NB1Open Diaper size 12.0–5.0 kg·25 pcs
€11,45
 Loved by 9/10 parentsOpen Diaper size 2NB2Open Diaper size 23.0–6.0 kg·56 pcs
€25,60
 Loved by 9/10 parents.Open Diaper size 33Open Diaper size 35.0–8.0 kg·48 pcs
€25,45
 Loved by 9/10 parents.Open Diaper size 55Open Diaper size 510.0–16.0 kg·40 pcs
€24,10
 Loved by 9/10 parents.Open Diaper size 44Open Diaper size 47.0–14.0 kg·42 pcs
€24,25
 Loved by 9/10 parentsOpen Diaper size 66Open Diaper size 612.0–20.0 kg·34 pcs
€25,05
 Perfect for potty trainingPants Diaper size 55Pants Diaper size 510.0–15.0 kg·38 pcs
€25,60
 Pants Diaper size 44Pants Diaper size 47.0–11.0 kg·40 pcs
€25,60
 Loved by 9/10 parentsPants Diaper size 66Pants Diaper size 612.0–20.0 kg·36 pcs
€25,60
 Loved by 9/10 parentsPants Diaper size 77Pants Diaper size 716.0–26.0 kg·34 pcs
€25,60
Our brand promise

"The most convenient diaper."

Reliability
Absorption is our SUPERPOWER.
Extended absorption core keeps your baby dry for up to 12 hours. Peaceful nights for your little one and for you.
Adjustable fit
Soft comfort for your child.
Stretchy back-and-side elastics on tape diapers. Adjustable waistband on pants. Always a perfect fit, never red marks.
Skin-safety
Studied by allergy experts.
Co-developed with the Finnish Allergy, Skin and Asthma Federation for 30+ years. Protecting little ones from diaper rash for 45+ years.
Loved by parents
9 out of 10 parents.
Say Moomin Baby diapers absorb well, because comfort starts with feeling dry.
Source: Moomin Baby panel · N=1,053 · 2023–2025 · Finland
Inside the diaper

Engineered to feel like nothing.

Five layers, all working quietly under one soft top sheet.

See full diaper anatomy

Soft on your child and our planet.

Eco-labelled, dermatologically tested, made in Finland with chlorine-free pulp.

Nordic Swan Eco-label
FSC
Dermatest Excellent
Finnish Allergy Federation
Made in Finland Key Flag
From Finland's only diaper factory

A diaper for future generations.

Quietly made in Finland by a family company that has cared for sensitive skin since 1979. Designed by parents, developed together with allergy experts, and made with carefully selected materials and renewable energy. Everything we do is built around one simple promise: protecting little ones and the planet they grow up in.

"Somebody who eats pancakes and jam can't be so awfully dangerous. You can talk to him."
— MOOMIN CHARACTERS™

Questions parents ask.