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Diapers Open Diaper

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5-8 kg
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7-14 kg
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10-16 kg
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12-24 kg


Wonderfully soft and skin-friendly, Moomin Baby Diapers grow with your baby. Their excellent absorbency and infinitely adjustable attachment ensure the best fit and effective protection against leaks, keeping your baby happy for longer.

Highly absorbent and reliable

The excellent absorbency of Moomin Baby diapers captures moisture in the core of the diaper and locks it in, keeping your baby’s skin dry. The diaper’s absorption channels distribute moisture evenly and quickly throughout the diaper. The back and side elasticity ensures a better fit and prevents side or back leakages – keeping your baby happier for longer. Double leakage guards on the crotch provide protection even during the roughest of baby’s movements.

Super soft surface materials

The extra soft and gentle Moomin Baby diapers are made using only thoroughly researched pure raw materials and breathable surface materials that keep your baby’s skin dry and healthy both day and night.

Wetness indicator

The Moomin Baby diaper in size 3 has a useful wetness indicator that makes everyday diaper changes easier. When the wetness indicator changes colour from yellow to blue, it’s time to change the diaper.

Skin-friendly and fragrance-free

We don’t add unnecessary chemicals, fragrances or creams to our diapers. The certified wood pulp we use is bleached using an oxygen process without chlorine. Our diapers are researched and skin-safe for small, sensitive babies without glyphosates, latex, formaldehyde or phthalates – making them the best diapers for your precious baby.

New better fit, new design

It’s important to us that diapers work in everyday life and serve the needs of the little ones in your family in the best possible way. That’s why we’re constantly developing our diapers based on the feedback we receive. The seamless attachment of the tape diaper allows for infinitely variable waist adjustment for better protection and a better fit for your baby’s size. Especially the Newborn 1 tapes can even be closed one on top of the other! The diaper has a light and modern design, meeting the wishes of our users.

The Moomin Baby packaging is made from 60% of recycled raw materials and can be sorted for plastic collection.

The high quality Moomin Baby taped diapers are also available in larger pack sizes 4, 5 and 6.

The diapers hold better, there was no urine or stool over leakage and the diapers were really soft.

Proven responsibility

Key Flag

Finnish Moomin Baby diapers are manufactured in Finland’s only diaper factory in Tammisaari.

Allergy, Skin and Asthma Association

Moomin Baby diapers are approved by the Allergy, Skin and Asthma Association as fragrance-free and suitable for sensitive skin.

Nordic Swan Ecolabel

We produce Moomin Baby diapers with a strong respect for nature and the environmental criteria.

Dermatest certificate

Dermatest® protects your skin. Moomin Baby diapers have been dermatologically tested and found to be highly skin-friendly.

Buy our products and fall in love with them

Moomin Baby products are sold in well-equipped retail and online stores in many European countries. Look for your closest retail or online store at the country web site:

Frequently asked questions about our open diapers

See all questions about our products and activities from Frequently Asked Questions page.

Open Diapers

Skin-friendliness is one of the most important values for us, along with environmental responsibility. We do our best to ensure that our diapers are suitable for even the most sensitive baby skin.

Skin-friendliness is influenced by many different factors, such as the materials used in the production and the fit of the diaper. The raw materials used in our diapers are carefully selected, using only soft and safe materials. Wherever possible, we favour Nordic raw material manufacturers. We do not add any unnecessary chemicals such as oils or fragrances to our diapers. The main raw material used in our diapers is domestic cellulose, which is completely chlorine-free, and therefore also dioxin-free. The cellulose we use is not bleached with chemicals but with 100% pure oxygen. This is a safer and more skin-friendly solution for the child’s skin as well as for our environment.

Moomin Baby diapers also contain no allergenic substances such as latex, glyphosate, formaldehyde or phthalates. When it comes to skin-friendliness, the fit of the diaper is also important. When the diaper fits the baby well, the child will not develop skin irritating abrasions or harmful imprints. The fabrics and plastics used in Moomin Baby diapers are highly breathable, so that the baby’s skin can breathe even when the diaper is being used. The carefully selected materials also absorb the liquids in, keeping the baby’s skin dry so that the diaper does not irritate the skin.

We are also constantly working towards making diapers that are more skin-friendly. Moomin Baby diapers are made in collaboration with the Allergy, Skin and Asthma Association and we will continue our long-standing collaboration in the future. Our diapers are also dermatologically tested.

Moomin Baby diapers are completely chlorine-free, which makes them suitable for energy waste and incineration, as they do not emit harmful emissions into the atmosphere. It is not recommended to dispose of chlorinated diapers by incineration, as incineration can produce toxic gases. However, not all incinerators accept any diapers, as some of our competitors still use chlorine-bleached diapers. We therefore recommend that you ask the incinerator in your area about their policy and whether they accept non-chlorinated diapers for incineration.

You can also dispose of Moomin Baby diapers in the normal way with mixed waste. Whichever way you dispose of Moomin Baby diapers, we can say that our diapers are an environmentally responsible choice among other disposable diapers. We have designed the life cycle of our diapers to have the least possible impact on the environment. The main raw material for Moomin Baby diapers is degradable cellulose, made from domestic FSC-certified forests. We also try to always choose Nordic raw material manufacturers and do not add any unnecessary chemicals such as fragrances or oils to our diapers.

Finished diapers are packed in a packaging bag made from 60% recycled plastic, which you can sort for plastic recycling. Moomin Baby diapers are also made in Finland, so trips from factory to store shelf are short. We want to leave a clean and beautiful nature for future generations.

The main absorbent used in our diapers is pure, 100% FSC® certified cellulose from Finnish forests. The cellulose we use is bleached with oxygen and is therefore 100% chlorine-free. The absorbent core is wrapped in a non-woven fabric with liquid-permeable and repellent properties. A small amount of superabsorbent is mixed with the cellulose in the absorbent layer. The superabsorbent (SAP) we use is a completely safe, hypoallergenic substance that has been used in children’s diapers for over 20 years and has been proven safe. We are constantly striving to make our diapers more eco-friendly and therefore use significantly less superabsorbent than many leading brands. Despite this, our diapers work efficiently, their design evenly distributes moisture throughout the diaper and keeps skin dry.

The top and outer layers of our diapers, which are in direct contact with baby’s skin, are made of soft and skin-friendly materials. The inside is made of polypropylene fibre fabric and the outside of the diaper is made of breathable polyethylene plastic and a non-woven fabric blend of polypropylene and polyethylene.

Diaper fasteners such as tapes are made of polypropylene and polyethylene and leakage guards are made of polypropylene plastic. All the adhesives used in the sheaths are FDA-approved hot melt adhesives, the same as those used in the food industry, for example in chocolate wrappers.

Moomin Baby diapers are an all-round carefree and safe choice for your child, as all the raw materials used meet the strict criteria for chemicals set by the Nordic Swan Ecolabel and the Allergy, Skin and Asthma Federation. Moomin Baby diapers never contain fragrances, dyes or creams that can irritate baby’s delicate skin.

When it comes to skin-friendliness, the right size and a good fit is important. When the diaper is the right size, your baby will not develop skin irritating chafing, harmful impressions or leakages. The fit and correct size of a diaper can sometimes be difficult to judge, which is why Moomin Baby invests in the fit of the diaper, making your child’s daily life easier. Pay attention to the following points when choosing the right nappy size, because if any of the following is true, the diaper size you are using is the wrong one for your baby:

  • The diaper gets drenched or your baby has leakage accidents.
  • The diaper does not completely cover the baby’s buttocks.
  • The diaper looks or feels too tight.
  • The tightness is right if you can slip a few fingers between the diaper and the baby’s stomach.
  • The diaper leaves a red scuff mark on the waist or inner thighs.

Moomin Baby diaper sizes are graded according to baby’s weight. You will find clear size markings on both the diaper package and the diaper itself. The Moomin Baby diaper chart helps you to judge which size diaper is best for your baby.

Moomin Baby diapers are manufactured by the family business Delipap Oy in Tammisaari, Finland’s only diaper factory with over 45 years of expertise.

For us, skin-friendliness is one of the most important features of a diaper. That’s why we only want to make clean and soft diapers for even the most sensitive baby skin. Moomin Baby diapers do not contain any unnecessary added chemicals. We do not add any fragrances, creams or dyes to the finished diapers. Moomin Baby diapers are only made from carefully selected clean and safe materials. Moomin Baby diapers are certified by the Nordic Swan Ecolabel and the Allergy, Skin and Asthma Federation, which means that the manufacturing process and the materials used meet the strict criteria of these certifications. We feel that this is only a minimum requirement and we are constantly striving to improve our products to make them even safer. It is very important for us to keep the diaper as clean and additive-free as possible in the future.

Dermatest is an internationally renowned company in Germany that tests the dermatological tolerance of products. This means that Dermatest uses a test to examine how the human skin reacts to a product. The test is carried out using clinical dermatological tests to the highest international standards under the guidance of experts, dermatologists and biologists.

The test reveals any skin irritation or sensitisation that the product may cause. The test substances are applied occlusively to the skin in appropriate concentrations. The skin is examined after 24, 48 and 72 hours. Products that pass the test do not cause skin irritation and are awarded the Dermatest ® Guarantee certificate, report and testimonial.

Our Moomin Baby adhesive diapers are dermatologically tested and proven safe for use on sensitive skin.

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