Fake Knife Costume
★★★★★ 4.9 · Loved by 10,000+ pets
Fake Knife Costume
A funny Halloween costume vest that brings your dog or cat into the party fun, lightweight felt with safe plastic props and hook-and-loop fasteners for easy on and off.
- On and off in secondsHook-and-loop fasteners at the neck and chest make dressing stress-free
- Safe plastic props, light felt vestLightweight materials keep the costume comfortable and safe to wear
- Multiple styles availableKnife, wrench, hammer, and other props let you pick the perfect gag look
Sizing
Fake Knife 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 |
|---|---|---|
| S | Pug | ~10-20 lb |
| M | Beagle | ~20-35 lb |
| L | Border Collie | ~35-50 lb |
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
Bring your pet into the Halloween fun with this funny costume vest. Made from lightweight felt with a safe plastic prop, it fastens on in seconds and gives your dog or cat a playful, party-ready look.
Features
- Lightweight felt vest that is easy to wear
- Hook and loop fasteners at the neck and chest for quick on and off
- Safe plastic prop for a fun costume look
- Suitable for both dogs and cats
- Three sizes, S, M, and L
Specifications
- Size S: chest 19.75 in (50 cm), neck 14.25 in (36 cm)
- Size M: chest 20.75 in (53 cm), neck 15 in (38 cm)
- Size L: chest 23.5 in (60 cm), neck 16.5 in (42 cm)
- Material: felt, plastic prop
- Closure: hook and loop fasteners at neck and chest
- Suitable for: dogs, cats
Care
Spot clean the felt gently and let it air dry to keep its shape.
In the box
One pet costume vest.
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-on party vest that brings your pet into the Halloween fun.
On in seconds
Hook and loop fasteners at the neck and chest make dressing quick and stress-free.
Lightweight felt
The soft felt vest is light to wear so your pet stays comfortable at the party.
Playful prop
A safe plastic prop gives the costume its fun, gag-worthy Halloween look.
Three sizes
Choose from S, M, or L to fit a range of dogs and cats.
Dogs and cats
Designed to bring both dogs and cats into the costume party.
Photo ready
A funny look that stands out in party pictures and group costumes.
Ready in three steps
Measure and choose
Check your pet against the size chart and pick S, M, or L.
Fasten it on
Wrap the vest around your pet and secure the hook and loop fasteners at the neck and chest.
Care for it
Spot clean the felt gently and let it air dry between wears.
Straight from the Wrenwood pack
Questions, answered
How do I pick the right size?
Is it easy to put on?
What is it made of?
Is the prop safe?
Can cats wear it?
How do I clean it?
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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