Spider Dog Costumes
The spider is the costume that reads instantly in a dark street, which is why it is the one people search for. These range from a simple web-print cape you can put on in seconds to a full plush body with legs that bounce as your dog walks.
11 products
Giant Spider Dog Costume
An oversized spider costume in grey, brown or black and purple, with legs that sprawl right across a medium or large dog's back and out beyond the sides.
From£12.99
Spider Costume for Dogs and Cats
A lightweight spider outfit with soft legs and an adjustable belly strap in three sizes, light enough that cats and small dogs will actually keep it on.
£15.99
Spider Cosplay Pet Costume
A padded spider costume for cats and dogs with eight soft posable legs, sized from S to XXL, made for short supervised outings such as Halloween walks and photographs.
£18.99
Funny Spider Pet Outfit
A comical spider suit with dangling legs for small dogs and cats, sized S to L on chest girth and meant for short, supervised dress-up spells.
£15.99
Furry-Legged Spider Dog Costume
Eight fluffy poseable legs on a soft felt body that fastens round the chest and neck with hook-and-loop straps, so it goes on over a collar in seconds. Six colourways, two sizes.
From£18.99
Spider Web Pet Cape
A stretchy web-print cape that turns a dog or cat into a spider in seconds.
From£10.99
Spider Print Dog Skirt
A ruffled spider and cobweb print skirt cut for small dogs, in four sizes, made for Halloween parties, seasonal photographs and short spells of dressing up.
£11.99
Glow in the Dark Spider Costume
A luminescent spider costume in three sizes that charges under household light and glows once the evening comes, for dogs out on Halloween after dark.
From£15.99
Spider Chest-and-Back Dog Costume
A slim black spider body with eight furry legs that straps across the chest and back — the dog walks normally and the legs do the work. Sizes S to XXL.
£9.99
Legs get caught — check the fit
The sprawling-leg designs look best but have the most to snag on door frames, table legs and other dogs. Check that the legs are stitched flat to the body rather than dangling loose, and keep an eye on them around anything your dog squeezes past.
For a dog who is likely to chew, the printed capes are the safer buy — there is nothing protruding to get hold of in the first place.
Web capes versus full bodies
A web-print cape covers the back and fastens at the chest, so it comes off in one pull and suits dogs who have never worn a costume. A full spider body sits over the shoulders with a belly strap and gives the stronger silhouette, but asks more of your dog.
Everything here is chosen to be genuinely useful in everyday life with your pet — quality-checked, fairly priced and shipped tracked across the UK. For any health concern, your vet is always the best first port of call.
From the Knowledge Hub
Common questions
Is it safe to put my pet in a costume?
For short, supervised periods, yes. A costume must never restrict breathing, sight, hearing or movement, must have nothing small enough to chew off and swallow, and should never be left on an unattended pet — including overnight or during rough play. If your pet freezes, flattens their ears, or tries to back out of it, take it off and try a bandana instead.
How do I get the size right?
Measure three things while your pet is standing: neck circumference, chest at the widest point just behind the front legs, and back length from the collar to the base of the tail. Chest is the measurement that decides the size — if your pet is between sizes, go up.
Do the glow-in-the-dark ones need charging?
They are luminous rather than powered — leave them under a bright light for a few minutes before you go out and they will glow for a while as it gets dark. There is no battery and nothing to switch on.
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