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Rainbow Onesie
Rainbow Onesie
Rainbow Onesie

Rainbow Onesie

$58.00 $59.99
Save 3%
Size Youth
Size-Details: S
Quantity:

Size Guide

Hoodies

Size Length Width Sleeve
Youth S 21” 14.5” 15.5”
Youth M 19” 16” 17”
Youth L 21” 17” 19”
Youth XL 22” 18.5” 22”
Adult S 26” 19” 22”
Adult M 27.5” 20” 23.5”
Adult L 29” 22” 24”
Adult XL 29” 23” 24”
Adult XXL 30” 25” 26”

Tees

Size Length Width Sleeve
Youth S 21” 15” 5.5”
Youth M 22” 16” 6”
Youth L 23” 17” 6.5”
Youth XL 24” 18” 7”
Adult S 29” 18” 8”
Adult M 29” 20” 8”
Adult L 30” 22” 9”
Adult XL 31” 24” 10”
Adult XXL 32” 26” 10”
Hoodies

Size Guide

Hoodies

Size Length Width Sleeve
Youth S 21” 14.5” 15.5”
Youth M 19” 16” 17”
Youth L 21” 17” 19”
Youth XL 22” 18.5” 22”
Adult S 26” 19” 22”
Adult M 27.5” 20” 23.5”
Adult L 29” 22” 24”
Adult XL 29” 23” 24”
Adult XXL 30” 25” 26”

Tees

Size Length Width Sleeve
Youth S 21” 15” 5.5”
Youth M 22” 16” 6”
Youth L 23” 17” 6.5”
Youth XL 24” 18” 7”
Adult S 29” 18” 8”
Adult M 29” 20” 8”
Adult L 30” 22” 9”
Adult XL 31” 24” 10”
Adult XXL 32” 26” 10”
Hoodies
30 Day Returns
Worldwide Shipping
Customer Support
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Get a special video from Rebecca when you spend $200 Learn more

This ultra-cozy onesie is incredibly soft yet breathable, making it ideal for any casual day. Plus, it's our first onesie to feature a convenient rear zipper! Don't miss out—grab yours now while this limited-edition run lasts, just in time for the holidays!

Materials and Care:
- Made from 70/30 poly-cotton one-way fleece.
- Wash with warm or cold water and tumble dry on low heat for lasting softness.

Shipping

Order Processing: Orders are processed within 48 hours, Monday through Friday.

  • Domestic Shipping:
  • Express: 2-3 business days
  • Standard: 4-8 business days
  • Free Shipping: On orders over $125

International Shipping: Up to 14 days; costs and taxes collected at checkout. For more details, please see our Shipping Policy.

Returns & Exchanges

Returns are accepted within 30 days if items are unused, unopened, and in new condition. International returns are not allowed. For more information, including how to initiate a return, visit our Returns Page. 
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Pink strawberry Zamfam hoodie. Closeup of pink strawberry Zamfam hoodie.
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#Zamfam Tee $28.00
Zamfam press on nails featuring multiple colors for each nail. Box of Zamfam press on nails.
Press On Nails $13.00
Yellow tee with gummy bear designs. Close up of the yellow tee with gummy bear designs.
Gummy Bear Tee $28.00
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Left Image

Receive a Special Video From
Rebecca Zamolo

Spend $200 on Zamfam merch and unlock a personalized video message from Rebecca herself! Once you make your purchase, we’ll email you with all the details to make it happen.

Our Story

Rebecca's Favorites

Pink strawberry Zamfam hoodie. Closeup of pink strawberry Zamfam hoodie.
Strawberry Hoodie $48.00
Pink lip gloss. Lip gloss opened.
Zamfam Lip Gloss $16.00
Pink tee with an ice cream design. Close up of the pink tee with an ice cream design.
Ice Cream Tee $28.00
Zamfam backpack. Inside the Zamfam backpack.
Zamfam Backpack $50.00
Slime Bundle Slime Bundle
Slime Bundle $30.00 $36.00
Glow Z Tee Glow Z Tee
Glow Z Tee $28.00
Blue Zamfam hoodie featuring Zamfam text on the sleeve and center. Close up of the center of the blue Zamfam hoodie.
Gradient Z Hoodie $48.00
RZ Beanie RZ Beanie
RZ Beanie $18.00
Teal tee with a Zamfam design and confetti. Close up of the teal tee with a Zamfam design and confetti.
#Zamfam Tee $28.00
Zamfam press on nails featuring multiple colors for each nail. Box of Zamfam press on nails.
Press On Nails $13.00
Yellow tee with gummy bear designs. Close up of the yellow tee with gummy bear designs.
Gummy Bear Tee $28.00
Zamfam Beanie Zamfam Beanie
Zamfam Beanie $18.00
Face and Body Crayons Face and Body Crayons
Face and Body Crayons $18.00
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Valentine's Day Signed Postcards $5.00

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Strawberry Hoodie $48.00
Pink lip gloss. Lip gloss opened.
Zamfam Lip Gloss $16.00
Pink tee with an ice cream design. Close up of the pink tee with an ice cream design.
Ice Cream Tee $28.00
Zamfam backpack. Inside the Zamfam backpack.
Zamfam Backpack $50.00
Slime Bundle Slime Bundle
Slime Bundle $30.00 $36.00
Glow Z Tee Glow Z Tee
Glow Z Tee $28.00
Blue Zamfam hoodie featuring Zamfam text on the sleeve and center. Close up of the center of the blue Zamfam hoodie.
Gradient Z Hoodie $48.00
RZ Beanie RZ Beanie
RZ Beanie $18.00
Teal tee with a Zamfam design and confetti. Close up of the teal tee with a Zamfam design and confetti.
#Zamfam Tee $28.00
Zamfam press on nails featuring multiple colors for each nail. Box of Zamfam press on nails.
Press On Nails $13.00
Yellow tee with gummy bear designs. Close up of the yellow tee with gummy bear designs.
Gummy Bear Tee $28.00
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Zamfam Beanie $18.00
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Face and Body Crayons $18.00
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Customer Reviews

Based on 293 reviews
85%
(249)
6%
(19)
4%
(11)
1%
(4)
3%
(10)
J
Jolene
Slime

I got the glow in the dark slime and it’s amazing! My kids love them and it doesn’t get very messy. I also get some alone time because since the slime is glow in the dark, they love to play with slime in the bathroom where it’s dark! Totally 5 stars! I might buy some for myself 😂

D
Danica Stockett
5 of 5 stars

So nice and I recommend this

A
Aleah
Love you, Leah

Hi Rebecca, you’re my favorite YouTuber and I even have your escape summer school book and I finished it I like how it was like very cool and how you guys like Bluffton you had a bracelet and then like some people had bracelets and I hope you send me a free thing it’s my birthday today by Rebecca, my name is aleah

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A
Amy
Slime

I loved the slime and your YouTube channel

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olivia k.
Love it!

Hi my name is Olivia and I am 7 yrs old. I'm your biggest fan. I love your lip gloss and sweater.

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123
Zamfam

Our story is shaped by the incredible support and enthusiasm of every member of the Zamfam. We're forever grateful for your passion and energy, inspiring us daily.

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