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"The material of the sleeping bag, baby grow and vest is so soft and will last my baby for months as the size can be adjusted by folding up legs etc. I'm about to purchase the set again it's that gorgeous"

Coral, UK

Made from the finest Organic Cotton (95%) and GOTS Certified for the ultimate comfort and breathability. This adorable sleepsuit also boasts an OEKO TEX 100 certificate, ensuring that it is free from any harmful substances.

This onesie would be a perfect layer in addition one of our 1.0 TOG Sleeping Suits or Sleeping Bags in summer months, or pair it with a Sleepsuit and a 2.5 TOG garment in colder months.

Sea World Collection Onesie

Name: Sea World Collection Onesie
Brand: Sleeping Stars

£15.00

£11.25

Quantity

GOTS Certified: CUC-03-1168475

OEKOTEX Standard 100: Product Class 1 (baby articles) - free from harmful substances

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Generous sizing

Our sizes will last you longer than other brands thanks to our fold-over socks design.

Gift packaging

All our sleeping bags and sleeping suits come in a Gift Designer box free of charge. It would make a perfect gift to your loved ones or just a treat for you and your baby.

Organic Cotton

Our products are made form 95% Organic Cotton (GOTS certified) to ensure maximum comfort and breathability. Our two way zips would make any nappy changes a breeze at night and will help your baby to stay undisturbed.

Luxury Packaging

Our gorgeous packaging has been custom designed in the UK for our brand. It makes our sets a perfect gift for any occasion.

Designed by Experts

Designed by a Certified Sleep Consultant and a mother of two. Our products include such features as external TOG labelling to make it easy finding the right clothing; double zips for easy nappy changes; anti slip soles on sleeping suits.

Most Popular Questions

What TOG should I buy?

TOG rating changes depending on the season and room temperature. We suggest you refer to our dressing guide at the bottom of the page to see which one would be best fit for your little one. We have also included a dressing table in pictures on each product page for your convenience.

How long does it take for my order to arrive?

All our orders are shipped from our UK based warehouse. It means your order will arrive at your destination in a fairly quick time. In most cases it takes between 3-5 working days for the parcel to be delivered and it usually takes us 1-2 working days to process your order in our storage facility.

How to return an item?

If you would like to return an item just send us a message at ilona@sleepingstars.co.uk and we will send you a return label. The refund will be processed within 10 working days upon arrival in our storage facility. All items have to be returned in the original condition with labels attached in order to be eligible for a refund.

Do you have suits in bigger sizes?

Our suits have been in high demand. This is why we are happy to announce that we will be adding new sizes to our range. We will have 3-12 months and 24-36 months sizes in addition to our existing 12-24 months. We expect the new arrivals to be ready for shipping in the beginning of August.

Where can I buy your products?

Currently we sell most or our stock online through our website. Occasionally we have some pop-un news based around London. keep an eye on our socials for more news.

What payment methods do you accept?

We accept most payment providers. You can find the full list at the bottom of the page. You can pay using such payment methods as: Apple Pay, Google Pay, Klarna, PayPal and more.

Save up to 15% when you shop our Complete Sleep Bundle

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Free Shipping

Free shipping on orders over £60

Return & Refund

Free 14 day refund policy

Customer Support

Our customer support is available Mon-Sat 9-5pm

High Quality

Premium quality certified materials

Age	Max Height	Weight (kg)
3-6M	68cm	7-8
6-12M	80cm	8-10
12-18M	86cm	10-12
18-24M	92cm	12-14

Temperature	16	18	20	22	24
1.0 Tog	x	Long sleeve + onesie	Long Sleeve	Onesie	Tank
2.5 Tog	Long Sleeve + onesie	Long Sleeve	Short Sleeve	x	x

Age	Weight
3-6m	5-8kg
6-12	8-10kg
12-24	10-12kg
18-24	12-14kg

Sleeping Stars

Helping you sleep better