Muscle Arms Pet Costume
Muscle Arms Pet Costume
Size guide
Measure your pet, then match the numbers. Breed and weight are unreliable.
- Chest: measure the widest point, just behind the front legs.
- Neck: measure where a collar naturally sits.
- Length: measure from collar to the base of the tail.
- Tracked delivery on every order
- Wrong size? Straightforward exchanges
- Ears and eyes stay clear, always
Instant muscles. Zero training required.
Give your pet the ultimate tiny-bodybuilder transformation with the PartyTail Muscle Arms Pet Costume. The oversized sculpted arms hang from a curved neck loop, creating the hilarious illusion that your pet suddenly hit the gym.
With exaggerated biceps, clenched fists, and a bold 3D-printed design, it’s made for Halloween photos, parties, funny videos, and pets who deserve an unnecessarily intimidating physique.
Why you’ll love it
- Hilarious oversized muscle-arm design
- Sculpted biceps, forearms, and clenched fists
- Easy slip-on neck-loop design
- Available in bold green and black
- Perfect for cats and small dogs
- Great for Halloween, photos, parties, and social content
Size & Fit
One size fits most cats and small dogs. Please review the size guide before ordering.
What’s Included
1 × Muscle Arms Pet Costume
PartyTail — Dress for the occasion.
Materials & care
Soft brushed polyester with a cotton-blend lining. Adjustable hook-and-loop fastenings. Hand wash cold, lay flat to dry — do not tumble dry.
Shipping & returns
Orders are dispatched with tracking and delivery estimates are confirmed at checkout. If the fit is wrong, contact us for an exchange — items should be unworn with tags attached.