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🎉 Dress your little star in ‘Mr. Onederful’—because first birthdays deserve legendary style!
The DONWEN Baby Boy First Birthday Outfit is a premium 3-piece set featuring a soft cotton blend romper with a playful ‘MR ONEDERFUL’ print, adjustable suspender shorts with pockets, and a matching birthday crown. Designed for infants aged 9-18 months, it combines comfort, style, and practicality, perfect for cake smash parties, photoshoots, and special occasions. Machine washable and crafted for a perfect fit, this outfit ensures your baby boy stands out on his big day.













| ASIN | B0CCV8LZ8M |
| Age Range Description | Infant |
| Apparel Fabric Stretch | Medium Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | #118,616 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #375 in Baby Boys' Shorts Sets |
| Bottom Type | Shorts |
| Brand Name | DONWEN |
| Care instructions | Machine Wash |
| Closure Type | Button |
| Collection Name | All |
| Color | A Navy Blue + Hat |
| Customer Reviews | 4.5 out of 5 stars 725 Reviews |
| Fabric Type | High Quality Fabric |
| Fabric type | High Quality Fabric |
| Fit Type | Regular |
| Garment Size Country | United States |
| Included Components | Romper, Shorts, Suspender |
| Item Type Name | First Birthday Boy Outfit |
| Life Event | First Birthday |
| Manufacturer | First birthday boy outfit |
| Material | Cotton Blend |
| Model Name | First Birthday Boy Outfit |
| Occasion | Birthday |
| Origin | Imported |
| Part Number | First birthday boy outfit |
| Pattern | Onederful Print |
| Product Care Instructions | Machine Wash |
| Size | 12-18 Months |
| Sleeve Type | Short Sleeve |
| Style | Cute |
| Style Number | First birthday boy outfit |
| Unit Count | 1 set |
D**1
Perfect Fit!
Loved it! This was a lifesaver last minute purchase for my child’s birthday outfit. It fit him perfectly and I bought a size 9-12months since he’s on the smaller side physically. He looked so cute! The crown with the Velcro closure was the cherry on top!
L**Z
Adorable
This was the cutest little outfit. Got some adorable photos.
N**I
Good quality
Loved this outfit. Good quality
N**C
Good quality and style
good quality, however it was a bit small
M**S
Nice
Very nice
S**E
Cute outfit
Super cute outfit my boy turned 1 and I was alittle worried about the size since he is big for his age but overall it worked. I didn't use the suspenders cause im not a fan of them overall happy with purchase
P**5
Cute, inexpensive set but you need to sew/fix the bow
When stacked on top of other onesies, it’s about the same size as another 12m onesie. Smaller than 18m onesie. I haven’t washed it so I’m not sure if it will shrink. I’ll probably have to air dry it. The set is cute, and the right price considering that it will be only worn for his birthday. The one problem with it though is how the bow was sewn on. I wish I took a picture of how it came. The bow was attached to the shirt at the bottom of the little strip in the middle. So when the shirt is held upright, or if it’s worn, the entire bow flops down. Also, the little middle strip was sewn with the edges peeking out of the bottom. The edges should have been sewn so that they are not visible. And the main bow was not attached to the middle strip, so it could be pulled out of the middle strip if you pulled it enough. So I had to sew some stitches in myself to attach the bow to the shirt, to prevent the bow from falling forward. I also had to sew the middle strip to the rest of the bow so that it wouldn’t shift left and right and become asymmetrical. I can’t complain too much because it was relatively inexpensive compared to other sets. But adjustments do have to be made, in case anyone is not able to do that.
D**R
Great quality
Great quality
G**D
Love it!
Loved this! Perfect. Great fit and quality is good.
Trustpilot
1 month ago
4 days ago