Size Guide
Age-Based Size Conversion Chart:
Age Range | UK Size | US Size | EU Size | Chest (inches) | Length (inches) |
---|---|---|---|---|---|
Newborn | Newborn | NB | 50 | 16 | 17 |
0-3 months | 0-3M | 3M | 56-62 | 17 | 18 |
3-6 months | 3-6M | 6M | 62-68 | 18 | 19 |
6-9 months | 6-9M | 9M | 68-74 | 19 | 20 |
9-12 months | 9-12M | 12M | 74-80 | 20 | 21 |
12-18 months | 12-18M | 18M | 80-86 | 21 | 22 |
18-24 months | 18-24M | 24M/2T | 86-92 | 22 | 23 |
2-3 years | 2-3Y | 3T | 92-98 | 23 | 24 |
3-4 years | 3-4Y | 4T | 98-104 | 24 | 25 |
4-5 years | 4-5Y | 5T | 104-110 | 25 | 26 |
Cotton Baby Favourites

Fast delivery, easy returns, and the friendliest customer care for busy parents.
Fast delivery, easy returns, and the friendliest customer care for busy parents.
Cotton Baby Service
Type: Bodysuits
Baby Girls 3-Piece Bodysuit Gift Set – "Ballerina" - Cotton Baby
Regular price
£19.99 GBP
Sale price
£19.99 GBP
Regular price
Unit price
/per

At Cotton Baby, we carefully select high-quality babywear that brings comfort, softness, and style to your little one.
At Cotton Baby, we carefully select high-quality babywear that brings comfort, softness, and style to your little one.
Cotton Baby Team
Type: Bodysuits
Baby Boys 3-Piece Bodysuit Gift Set – "Fire Engine" - Cotton Baby
Regular price
£19.99 GBP
Sale price
£19.99 GBP
Regular price
Unit price
/per

Only the softest, most practical, and adorable babywear makes it into our collection.
Only the softest, most practical, and adorable babywear makes it into our collection.
Cotton Baby Team
Type: Bodysuits
Baby 3 pcs Bodysuit Gift Set – I Love Mummy/Daddy - Cotton Baby
Regular price
£18.99 GBP
Sale price
£18.99 GBP
Regular price
Unit price
/per