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We hope you love our recommendations! Some may have been sent as samples, but all were independently selected by our editors. Just FYI, BuzzFeed and its publishing partners may collect a share of sales and/or other compensation from the links on this page.
If you've never seen a guinea pig wearing a witch hat... you're welcome.
Promising review: "Sherman loves his Halloween costume! There's a way to loosen or tighten this head piece to fit your dogs head. Sherman has a giant head and I was able to fit it to him so it was perfect and it even stayed on while he chased squirrels!" —Amanda
Get it from Amazon for $17.99+ (available in sizes S–L and in three styles).
Promising review: "I wore this to a Halloween drive in event while I was working as the videographer filming the event. Everyone loved my costume and all night people would burst into laughter or tell me they wanted one. This is easily the best $60 ever spent. The batteries lasted for hours and inflation only takes a minute or less." —Jacob D.
Get it from Amazon for $69.95 (one size fits some).
Get it from Amazon for $59.99+ (available in sizes S–XL).
If you want your bestie or partner to dress up as Ash Ketchum, just grab this accessory kit. And don't forget your Pokéball!
Promising review: "Headband was perfect and nicely stuffed. Stayed put all night. The tail is bigger than I expected, but I'm so glad because it ended up looking better for the costume. I had to put a couple loose stitches at the base of the tail to attach it to my dress, and the top of the tail I just attached to my zipper using the safety pin it comes with. All-in-all, took two minutes and stayed put all evening, upright and fully stuffed. If you are worried it's a child size and aren't sure, just order it because it's fine and can totally fit an adult female head size." —asamimakes
Get it from Amazon for $23.49.
Promising review: "Awesome headpiece! I was very skeptical about purchasing this item for my Maleficent costume, but I was super impressed by it! It does have a bit of a strong smell, but it went away quickly after taking it out of the bag. The fit is perfect, and the horns stand up perfectly. I am really looking forward to seeing the whole costume come together." —Somer Zvolensky
Get it from Amazon for $23.99.
Promising review: "Quality is great. Super comfortable. It even has pockets! We went as Judge Trudy and the dancing lobsters for Halloween." —Christina
Get it from Amazon for $79.95 (available in sizes XS–XL).
Promising review: "Over all I am THRILLED with this costume! it looks cute and totally embarrassed my first grader at his costume ball! The price was right! Would absolutely buy again!" —S.E. Langer
Get it from Amazon for $59.99 (one size fits some).
Promising review: "Adorable hat and little scarf!! I like the fact that it has a little button on it to make it tighter or looser so I love that you can adjust it, very cute for our three little guinea pigs!" —Hope McFarland
Get it from Amazon for $10.99.
Promising review: "I ordered a size up after reading reviews. I love this costume. It is incredibly warm and indeed cozy. While it seems to be made just out of cheap felt or fleece, it still is very warm. I had some loose strings that were easy to cut. I wore this costume with a long-sleeved black shirt underneath, fleece-lined leggings, and black boots." —Mika
Get it from Amazon for $23.40+ (available in sizes XS–6X).
Promising review: "I love it! I got this dress for a school social that I'm chaperoning. It's very good quality for a costume. It does need to be ironed, but the material is a bit stretchy. I usually ware a size 12/L, but the other reviews say it runs small, so I bought a 2XL. It fit perfect. I highly recommend adding a petticoat to add some poof. The belt and scarf are also nice." —D. Meemers
Get it from Amazon for $26.99 (available in five colors and sizes S–XXL).
Promising review: "My son insisted that he wanted to be Leonardo Da Vinci for halloween and when we were looking online for that costume we came across this and he pleaded that I be the 'Mama Lisa.' We made a great pair. The costume is well made and was not as uncomfortable, as I thought it would be. It is is sure to be a hit at a party." —D.M. Andolfi
Get it from Amazon for $37.03.
Promising review: "MY kitten looked adorable in this outfit! She was the best sheriff/cowboy ever! She honestly didn't mind this (as long as she got her treat) and ran around like normal." —Amazon Customer
Get it from Amazon for $13.98+ (available in sizes M–XL)
Get it from Yandy for $79.95 (available in sizes S–XL).
And yep, this costume comes with a hat and that creepy AF glove!
Promising review: "I got so many compliments on this outfit. It is stunner! I had to wear black leggings under the dress because it was a little short on me, but it looked like part of the costume so it worked well." —Bull City
Get it from Amazon for $53.67+ (available in sizes XS–L).
Promising review: "I’ve never enjoyed a costume as much as I’ve enjoyed this one. Fit great and everyone loved it. My neighbor made a joke from afar asking if I do this often and I’m like 'Every day' with the most serious face I could make thru the blurry mouth hole." —Scubakai
Get it from Amazon for $39.99+ (available in four colors).
Promising review: "This is adorable. You need a short black petticoat underneath for the fullness in the picture, though. It looks great in person, and I have gotten a lot of compliments. The sleeves are perfectly puffed." —Amazon Customer
Get it from Amazon for $44.99+ (available in sizes XS–3X).
This costume comes with a full length gown, tulle petticoat, a hat, and stick-on black fingernails
Promising review: "This costume is fantastic. The fabric is nice, the costume is well-made, and the accessories are spot-on. Every year we do a family costume and this year we are doing The Wizard of Oz. This is the perfect Wicked Witch of the West costume!" —dixie
Get it from Amazon for $52.94+ (available in sizes S–3X).
The reviews for this post have been edited for length and clarity.