BRAND: Little Dreamer
2 Pack Zipped Sleepsuits - Dinosaurs in Space
Between sizes?
Simple rule of thumb for choosing a size.
Near the top of a weight bracket or have a longer baby?
Size up for more room and comfort.
Near the bottom of a weight bracket or have a petite baby?
Size down for a snugger fit.
Using lines, leads or need frequent access?
Size up for easier dressing and extra room for medical equipment.
Need measurements?
Check Product Details on the product page or contact us for help.
Why our size brackets work
Sizes such as 3lb–5lb may seem wide, but weight doesn't always reflect a premature baby's length, shape or proportions.
Our sizing allows for:
- Different proportions – babies of the same weight can have different builds.
- Medical care – extra room can make access easier.
- Layering – room for a vest or other layers.
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Growing room – comfort as your baby grows.
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- Get it tomorrow! Order by 2pm Mon-Fri
- Free delivery £40+. Next Day option £4.95
- 30 day returns. Shop with complete confidence
Your purchases help us give back

Little Mouse was founded by a NICU Nurse with a desire to support premature babies and their families. Every purchase helps us continue that mission.
NICU donations
We donate specialist premature baby clothing to neonatal units and families in need, including clothing to support bereaved parents.
Supporting Tommy’s
We donate £2 to Tommy’s, the baby charity, for every purchase of our premature baby milestone cards.
Ethical brands
Many of the brands we stock are chosen for their ethical values and their support of charities, families and communities.
When you shop with Little Mouse, you’re helping us make a difference to babies, families and communities.
More from this brand
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Footed Premature Baby Sleepsuit, Zips & Mitts - Candy Pink
Mint zipped Sleepsuit & 'Little Sunshine' Motif Bodysuit Set.
Tiny Baby Sleepsuit With Zips, Integrated Mitts, Footed - Mint Green/Blue
Blue zipped Sleepsuit & 'Brave' Planet Motif Bodysuit Set.
Dusky Pink Zipped Sleepsuit & Hydrangea Motif Bodysuit Set.
Zipped Premature Baby Sleepsuit, Fold-Over Mitts - Blue
Premature Baby Sleepsuit With 2 Zips & Mitts - Dusky Pink
Bright Pink Zipped Sleepsuit, 'Little Star' Motif Bodysuit and Pink Star Hat set.
Bunny Sleepsuit (100% cotton) & Bunny White Vest (100% organic cotton).
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Sea Life Premature Vests - 3 Pack







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Why Choose Little Dreamer?
Thoughtfully designed baby clothing made with little ones in mind. Discover why Little Dreamer is a lovely choice for comfort, practicality and those precious early days.
Why choose Little Dreamer baby clothes? +
Little Dreamer combines soft, comfortable baby clothing with thoughtful features that make everyday dressing and changing easier. The range includes practical details such as two-way zips for convenient nappy changes, fold-over or integrated mitts to help protect little hands, and covered feet to keep tiny toes cosy on selected styles.
With comfortable fits, lovely designs and practical features for everyday life, Little Dreamer clothing is created with both babies and parents in mind. Whether you're choosing those first little outfits or everyday essentials, the collection offers a balance of comfort, practicality and style.
Are Little Dreamer clothes suitable for premature and tiny babies? +
Yes. Little Dreamer offers a selection of clothing in premature and tiny baby sizes, making it a lovely option for babies who arrive early or are simply smaller than average. The range includes smaller-sized essentials such as vests, bodysuits and sleepsuits, designed to provide a more suitable fit than standard newborn clothing.
Choosing the right size is particularly important for premature babies, as clothing that is too large can be uncomfortable or difficult to manage. We recommend checking the weight range and measurements on each product page, as sizes and fits can vary between styles. If your baby is still receiving hospital care, check with your neonatal team about which clothing is appropriate.
Are Little Dreamer clothes soft, breathable and available in organic cotton? +
Comfort is an important part of the Little Dreamer range, particularly for newborn and premature babies with delicate skin. Selected styles are made using soft, breathable fabrics chosen to feel gentle and comfortable against baby's skin. The range includes a selection of 100% organic cotton baby and premature baby clothing.
Organic cotton is a popular choice for parents who prefer natural fibres and fabrics produced without synthetic pesticides during cultivation. However, Little Dreamer also offers non-organic options, giving families more choice in fabrics, designs and budgets. Fabric composition varies between garments, so please check individual product descriptions for full details.
How do I choose the right size, and are Little Dreamer clothes suitable as gifts? +
When choosing Little Dreamer clothing, especially for a premature or tiny baby, we recommend using the baby's current weight and the individual product measurements rather than relying on age alone. Baby clothing sizes can vary between styles, and a little extra care when choosing a size can help ensure a comfortable fit. If you're unsure which size to select, our customer support team can help you find a suitable option.
Little Dreamer clothing also makes a thoughtful and practical gift for a new arrival. With a choice of beautiful designs and everyday essentials, including smaller sizes for premature babies, you can choose something that parents will genuinely find useful. If you're buying for someone else's baby, checking their current weight or asking the parents which size they need can help you choose a gift that fits.