Here are some tips to help you choose the right size for your muslin romper.
You can choose a roomier size for Una's long-sleeved muslin romper if you like. At first, you can roll up sleeves and legs, which extends how long you can wear it. The photos show rompers on kids of different sizes. Una's kids' muslin clothing sizes run about two sizes larger than standard sizing.
If you need help choosing a size, contact our customer service at info@una.fi, by phone +358 44 9019400 or via chat (weekdays 9am-4pm).
Measurements are finished garment measurements. The romper shrinks about 5% in the first wash.
Söpö ja mukavan tuntuinen haalari, reilu koko.
Aivan ihana haalari! Ja väri🩵🤩
Aivan ihana kesäasu vauvalle. Materiaali hengittävää ja asussa mukava liikkua!
Ihanan pehmeä
Enjoy delivery in as little as 24 hours (Finland)
Unas products may arrive in as little as 24 hours with postal delivery, depending on your location and when you place your order.
Shopping with Una is safe and secure
Ordering from Una is safe and secure. We offer multiple payment options and reliable delivery methods. Our fast customer service team, is happy to help with any questions.
Over 79 000 customers
Would you like to join our satisfied customers? For those who value quality and softness.

Where Unas products are produced?
Una products are designed in Finland, with our own-brand items ethically produced in Estonia—except for the bows, which are made in Finland. Our high-quality products are crafted in skilled workshops in Viljandi and Tallinn, ensuring excellent craftsmanship and attention to detail. The bows are lovingly made in Finland, reflecting our commitment to quality and local production.
Do you deliver internationally?
Yes, we ship internationally. Shipping costs will be updated once you enter your address.
Are there any discount codes available?
We want to promote a shopping culture where you don’t have to wait for sales or discount codes. That’s why we only offer discounts a few times a year, mainly on discontinued or second-quality products.
For our new arrivals, we offer special introductory offers to our Inner Circle members. Join Unas Circle of Friends here.
Can I return or exchange a product?
Unused products can be returned or exchanged within 2 weeks of receiving the item. A €6 exchange or return fee applies, covering postage and handling costs. Clothing items include one free exchange. Click here for detailed instructions
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