Happy Birthday Converter Onesie
Need a size that's sold out? Get an email when it's back
The birthday outfit that started before the party even began.
- Soft, stretchy fabric that is comfortable for all day celebrating
- Converter snaps at the bottom for easy diaper changes
- Playful birthday print made for the big day and every photo after
Because the birthday girl deserves to look the part from the very first picture.
Size guide
| Size | Age | Height | Weight |
|---|---|---|---|
| NB | Newborn | Up to 21.5 in | 5 to 8 lb |
| 0-3M | 0 to 3 months | 21.5 to 24 in | 8 to 12.5 lb |
| 3-6M | 3 to 6 months | 24 to 26.5 in | 12.5 to 16.5 lb |
| 6-12M | 6 to 12 months | 26.5 to 30.5 in | 16.5 to 24.5 lb |
| 12-18M | 12 to 18 months | 30.5 to 32.5 in | 24.5 to 27.5 lb |
| 18-24M | 18 to 24 months | 32.5 to 34 in | 27.5 to 30 lb |
| 2T | 2 years | 34 to 36.5 in | 29 to 31 lb |
| 3T | 3 years | 36.5 to 39 in | 31 to 34 lb |
| 4T | 4 years | 39 to 41.5 in | 34 to 37.5 lb |
| 5T / YXS | 5 years | 41.5 to 44 in | 37.5 to 42 lb |
| YS | 6 to 8 years | 45 to 52 in | 45 to 65 lb |
| YM | 10 to 12 years | 53 to 58 in | 66 to 90 lb |
| YL | 14 to 16 years | 59 to 64 in | 91 to 120 lb |
This is a general guide and every brand fits a little differently. If he's between sizes, size up. Not sure? Send us a message and we'll help you pick.
Shipping and local pickup
Free shipping on orders of $75 or more. Under that, standard shipping is $8 and express is $15. Orders are packed and on their way within 2 to 5 business days.
Local? Choose pickup at checkout and swing by the shop in Port Neches any time we're open: Tuesday to Friday 10am to 6pm, Saturday 10am to 3pm. Shipping details
Returns and exchanges
Returns and exchanges are welcome within 14 days of delivery, as long as items are unworn, unwashed and still have their tags. Choose a refund, store credit or a different size. A $5 restocking fee applies to returns, and sale and personalized items are final sale. Read the full policy
