Search  for anything...

Funziez! Adult Onesie Halloween Costume - Animal and Sea Creature - Plush One Piece Cosplay Suit for Adults, Women and Men

  • Based on 5,870 reviews
Condition: New
Checking for product changes
$29.99 Why this price?
Save $16.00 was $45.99

Buy Now, Pay Later


As low as $7 / mo
  • – 4-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

Eligible for Return, Refund or Replacement within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Sunday, May 12
Order within 12 hours and 8 minutes
Available payment plans shown during checkout

Size: Medium


Color: Cow


Department ‏ : ‎ mens


Date First Available ‏ : ‎ April 9, 2024


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, May 12

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • PayTomorrow Financing
  • Apple Pay Later
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Adorable
Size: Medium Color: Chicken
Most comfortable Halloween costume ever ! I read reviews and sized down! Soft, warm material . Great for farm theme, received a lot of compliments!
Reviewed in the United States on March 25, 2024 by angelica shapiro angelica shapiro

  • Easiest Halloween Costume
Size: XX-Large Color: Giraffe
Easiest Halloween Costume - perfect to stay warm and look cute --- and 100% wearable for fun - super soft and nice and baggy.
Reviewed in the United States on December 27, 2023 by Ms_BrandiJ

  • Product is exactly what I expected Sizes are off
Size: X-Large Color: Cow
It looks great. I got lots of compliments. Very comfortable. Only suggestion is to order smaller than you think. I ordered an extra large because that's typically my size... it was huge! And I am on the short end (5"3')... it was really LONG. The crotch was below my knees.
Reviewed in the United States on November 5, 2023 by Julie

  • Comfy, cute, and a great price!
Size: Large Color: Cow
I ordered the cow onesie (Size Large) for my girlfriend. I'm definitely impressed! The fleece is very soft to the touch and easy to sleep in. It keeps you nice and warm without the trouble of having to drag it everywhere with you around the house like a blanket - it moves with you! It's also breathable enough to allow you to wear it in the summer. (Which is an extra plus!) The onesie is baggy, but gives you a very lean look! Some of the onesies I've seen in person and online have the leg openings too long, which causes you to have the "beer belly" look and that's certainly not something you want to have in a cow onesie!! Luckily, this onesie's legs are just right! The onesie has a set of white plastic buttons running down the center to close it. I've seen some reviewers complain that these don't close all the way and can sometimes show your clothes underneath, but I (nor my girlfriend) didn't have this problem at all. It keeps everything contained! My only critique is that the stitching is a bit sloppy (I had to spend a couple of minutes snipping off the extra strings after I took it out of the packaging) but for the price, it's to be expected. I also had a horn damaged when it was put in the bag, so it doesn't stand up on the hood like the other one, but again, that's simply just me being a bit picky. Overall, this onesie is definitely worth it! I will definitely be buying from Silver Lilly again! P.S. ORDER THE SIZE BASED ON THE MEASUREMENTS IN THE DESCRIPTION NOT THE SIZE CHART NEXT TO THE SIZE OPTION. I cannot stress this enough! The onesie fits perfectly. It's based on your height. So if you're tall or just want a really baggy onesie, order the largest size possible. If not, order it based on your exact height. Do NOT size up. ... show more
Reviewed in the United States on April 8, 2016 by Mai

  • HUGEEEEEE
Size: Large Color: Chicken
This costume runs extremely big. I’m, 5,5, weight 210 and ordered size L. It’s huge, I’ll see what I can do to fix it. But I’m still giving 5 stars because quality is good and material is soft.
Reviewed in the United States on October 24, 2023 by Sara Paniagua Sara Paniagua

  • Questionable
Size: Medium Color: Cow
Sizes run big, go a size MAYBE even TWO down.. see through… thin but also soft
Reviewed in the United States on March 12, 2024 by Kyli

  • So cute and comfy!
Size: X-Large Color: Chicken
Perfect for Halloween or just to wear while chilling at home. I still wear mine when I’m sitting at my computer just hanging out. The chick in the pocket was a cute addition.
Reviewed in the United States on September 3, 2023 by Katlynn Katlynn

  • Extremely Comfy and Warm!
Size: X-Small Color: Cow
My 10 year-old wore this costume for Halloween. Although it was a little big (which I expected), it was not an issue when wearing it. She was warm and cozy all day. It was the first time she didn't want to taker her Halloween costume off. Also, I have washed it multiple times and it still looks great! I would definitely recommend this onesie. ... show more
Reviewed in the United States on November 9, 2023 by ARP

Can't find a product?

Find it on Amazon first, then paste the link below.