Few things are more fun than dressing your pet up for Halloween, the holidays, or a birthday party, and few things are more frustrating than a costume your dog wears for exactly four seconds before wriggling out of it. The secret to a great pet costume is not the design, it is the fit, comfort, and a little prep. Here is how to choose one your pet will actually keep on, and look adorable in.
Comfort and safety come first
Picture a pup in a full-body costume, ears pinned back, frozen mid-step because they cannot quite see or move. That is the opposite of fun. Before you fall for a design, run through this safety checklist:
- Nothing covering eyes, ears, nose, or mouth, so your pet can see, hear, and breathe freely.
- Freedom to move, so they can walk, sit, and lie down normally.
- No dangling or small parts, since bells, beads, and loose trim are choking and chewing hazards.
- Nothing too tight, with no straps that dig in or elastic that pinches.
- Easy on and off, because the faster you can dress them, the less stress for everyone.
Get the size right
An ill-fitting costume is the number-one reason pets refuse to wear one. Measure your pet's back length, chest girth, and neck, and check them against the costume's size chart. Never guess by breed, and if they are between sizes, size up. Our guide to measuring your dog for clothes walks through it step by step.

A dapper, lightweight formal look for weddings, parties, and photo ops, easy to wear and easy to remove.
Shop nowHelp your pet feel comfortable in costume
- Introduce the costume indoors, a few minutes at a time.
- Pair it with treats, praise, and play so it feels positive.
- Watch body language. Relaxed and moving is good; freezing, a tucked tail, or trying to bolt means take it off and go lighter.
- For costume-averse pets, keep it simple. A festive bandana, bow tie, or hat says celebration without the full outfit.

A low-stress, big-impact party look for celebration-shy cats, just a hat and scarf, no full costume required.
Shop nowDo not forget the rest of the family
Costumes are not just for dogs and cats. Backyard chickens can join the fun too, and yes, it is as delightful as it sounds.

Sun and rain protection that doubles as the most charming costume accessory your flock will ever wear.
Shop nowThe golden rule
If your pet is genuinely miserable, skip the full costume and reach for an accessory instead. A happy pet in a bow tie beats a stressed one in a masterpiece. Browse our costumes and seasonal styles and more pet clothing. A portion of every order helps shelter animals, because the best costume of all is a forever home.