Killer Doll Costume
★★★★★ 4.9 · Loved by 10,000+ pets
Killer Doll Costume
An adjustable Halloween costume set that turns your dog or cat into the star of the party, with a soft, comfortable fit they can actually move in.
- Ready in secondsAdjustable polyester costume fits over your pet without fuss
- Moves with themSoft, lightweight fabric lets cats and dogs walk, sit, and play freely
- Complete party lookSet includes adjustable outfit, matching wig, and foam prop
Sizing
Killer Doll Costume — size guide
Match your pet to the closest size below. Sizes are a guide — if they’re between sizes, we recommend sizing up.
| Size | Best for | Weight | Chest |
|---|---|---|---|
| S | Pug | ~10-20 lb | 14.5-18.5 in / 37-47 cm |
| M | Beagle | ~20-35 lb | 16.25-20 in / 41-51 cm |
| L | Border Collie | ~35-50 lb | 19-25.25 in / 48-64 cm |
| XL | Golden Retriever | ~50-65 lb | 22-27.25 in / 56-69 cm |
How to measure
- Neck — around the base of the neck, where a collar sits.
- Chest — the widest part, just behind the front legs.
- Length — from the base of the neck to the base of the tail.
Wrenwood has been a game changer for our little zoo. I get everything for my cat and dog here.
Megan R. · Asheville, NC
Product details & care
Get your pet party-ready with a costume set that comes with everything you need. Soft polyester keeps it light to wear, and both the outfit and wig adjust so you can find a comfy fit for dogs and cats alike.
Features
- Made from polyester
- Includes an adjustable outfit, an adjustable wig, and a foam knife prop
- Sized for both dogs and cats
- Available in sizes S, M, L, and XL
- Fun look for Halloween and costume parties
Specifications
- Size S: fits 14.5 to 18.5 in (37 to 47 cm) chest
- Size M: fits 16.25 to 20 in (41 to 51 cm) chest
- Size L: fits 19 to 25.25 in (48 to 64 cm) chest
- Size XL: fits 22 to 27.25 in (56 to 69 cm) chest
- Material: polyester
- Suitable for: dogs and cats
Care
Wash gently and let it air dry to keep the shape and colors looking their best.
In the box
One adjustable outfit, one adjustable wig, and one foam knife.
Shipping & returns
Ships from our partner warehouse within 1–3 business days, then typically arrives in about 5–10 business days with tracking.
Because these items ship direct and are priced low, we don't accept change-of-mind returns on them. You're still fully covered if anything's wrong — see our guarantee below.
Our happiness guarantee
Arrived damaged, defective, wrong, or missing? Email returns@wrenwoodpets.com within 48 hours of delivery with a quick photo and we'll make it right — a free replacement or a full refund, and you won't need to ship anything back.
Why pet parents choose this costume
A quick, comfy way to get your pet party-ready.
Complete set
Comes with the outfit, a matching wig, and a foam knife prop.
Adjustable fit
Both the outfit and wig adjust so you can dial in the fit.
Soft polyester
Made from lightweight polyester that feels easy to wear.
Dogs and cats
Sized to suit both dogs and cats for party day.
Four sizes
Choose from S, M, L, and XL to match your pet.
Photo ready
A fun, standout look for Halloween and costume parties.
Ready in three steps
Measure and choose your size
Check your pet against the size chart and pick S through XL, sizing up if between sizes.
Dress them up
Put on the outfit, add the wig, and adjust both for a comfy fit.
Care for it after
Wash gently and let it air dry so it is ready for the next party.
Straight from the Wrenwood pack
Questions, answered
How do I pick the right size?
What comes in the set?
What is it made of?
Will it fit both dogs and cats?
How do I clean it?
Is it comfortable to wear?
You're in good company.
Thousands of pet parents have welcomed Wrenwood into their homes, and their dogs, cats, and critters are all the happier for it.
Every order ships fast, is priced fairly, and is backed by our no-drama happiness guarantee.
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