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Various
Marshmello face mask helmet - face,
£10.90
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2025 kids marshmallow light - marshmallow,
£19.89
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Marshmallow led mask full - led,
£10.98
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Ghostbusters stay puft costume - stay,
£27.99
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Led marshmallow head - led,
£10.92
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2025 kids marshmallow - 2025,
£22.95
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Marshmallow face mask - face,
£14.89
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Marshmallow led mask full - mask,
£11.90
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Cosplay marshmallow - marshmallow, dj
£10.80
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Marshmallow led mask - led, dj
£12.98
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Marshmallow led mask - mask, full
£14.10
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Marshmallow led mask - marshmallow,
£12.60
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Sylvanian families baby forest - families,
£5.99
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Marshmallow led mask full - led, dj
£12.99
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2026 kids marshmallow - kids, light
£25.59
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Marshmallow led mask full - marshmallow,
£11.85
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New kids boys girls - new,
£13.99
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Marsh mello face mask - marsh,
£11.57
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Marsh mello face mask - mello-dj,
£10.92
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Marshmallow led mask - mask, full
£7.95
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Marshmallow led mask full - led,
£9.99
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Kids ghostbusters stay puft - kids,
£16.85
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Kids ghostbusters stay puft - kids,
£15.98
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Marshmallow led mask full - marshmallow, dj
£10.83
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Marshmallow led mask - dj,
£11.70
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2025 kids marshmallow light - 2025,
£32.99
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Kids ghostbusters stay puft - kids,
£15.98
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2025 kids marshmallow - 2025,
£22.79
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Marshmallow led mask - dj, full
£12.65
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Dress america mores - dress, s'mores
£24.99
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Kids ghostbusters stay puft - kids,
£13.39
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Marshmallow costume - marshmallow,
£13.38
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New kids boys - new,
£12.33
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Kids ghostbusters stay puft - kids,
£15.98
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Marshmallow led mask full - marshmallow,
£7.99
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2025 kids marshmallow light - kids,
£22.03
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Marshmallow led mask full - mask,
£12.94
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Stay puft marshmallow - puft, man
£6.85
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Kids ghostbusters stay puft - ghostbusters,
£17.49
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Marshmallow led mask - led, full
£11.75
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Marshmallow led mask - marshmallow,
£4.99
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Kids ghostbusters stay puft - ghostbusters,
£18.92
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Sylvanian families baby forest - sylvanian,
£4.00
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Marshmallow led mask full - led, dj
£3.99
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100 cotton marshmallow group - cotton,
£11.99
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100 cotton group - 100%,
£11.99
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Trick treat studios - treat,
£63.95
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Kids ghostbusters stay puft - stay,
£16.94
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100 cotton marshmallow - cotton, group
£11.99
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13y kids marshmallow - 5-13y, dj
£30.63
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Ghostbusters inflatable - ghostbusters,
£40.15
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Ghostbusters stay puft costume - stay,
£29.99
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New kids marshmallow - kids,
£31.88
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100 cotton marshmallow - 100%,
£12.53
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Furrybones black scorchie - furrybones,
£17.99
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Kids halloween marshmallow - halloween,
£17.83
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100 cotton marshmallow - cotton,
£12.53
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Men adult ghostbusters - adult,
£31.23
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2025 kids halloween - kids,
£21.99
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Marshmallow led mask full - marshmallow,
£13.69
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Ghostbusters costumes - ghostbusters,
£49.07
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100 cotton group - group, halloween
£11.99
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Marshmallow led mask full - marshmallow,
£9.99
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Sylvanian families baby forest - families,
£3.00
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Ghostbusters stay puft - ghostbusters,
£111.38
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Ghostbusters stay puft - stay,
£66.91
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Ghostbuster stay puft - ghostbuster's,
£67.06
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Ghostbusters stay puft - ghostbusters,
£13.72
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Ghostbusters stay puft - stay,
£16.05
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Kids marshmallow sweatshirt - kids,
£27.44
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Ghostbusters stay puft - stay,
£71.38
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Ghostbusters mini puft - ghostbusters,
£21.38
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Ghostbusters marshmallow man - ghostbusters,
£15.16
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100 cotton group halloween - 100%,
£12.53
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Marshmallow costume - marshmallow,
£22.30
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Cosplay marshmallow helmet - dj,
£15.14
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Marsh mello face mask - face,
£15.48
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Disguise inflatable stay puft - stay,
£66.91
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New ghostbusters mini puft - mini,
£17.84
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Meia pata girls swimming - meia,
£16.00
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Mores chocolate - s'mores,
£39.70
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Ghostbusters afterlife mini - afterlife,
£37.68
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Stay puft marshmallow - man,
£98.13
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Ghostbusters marshmallow man - ghostbusters,
£4.45
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Marshmello halloween bucket - halloween,
£17.84
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Ghostbusters stay puft - stay,
£13.38
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Ghostbusters stay puft - ghostbusters,
£53.52
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Marshmello halloween bucket - halloween,
£17.84
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Ghostbusters stay puft - ghostbusters,
£11.60
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Bearbrick 400 ghostbusters - bearbrick, 400%
£739.30
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Ghostbusters infant stay puft - ghostbusters,
£13.34
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Ghostbusters state puff - ghostbusters,
£26.76
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Ghostbusters stay puft - ghostbusters,
£5.35
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Pre owned ghostbusters stay - pre-owned,
£18.06
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Funny novelty marshmallow - novelty, dj
£14.45
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Child costume ghostbusters - child,
£29.44
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Looking for more marshmallow costume?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 marshmallow costume listings currently in our index. Prices range from £3 to £739.3, with an average of £29.08. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about marshmallow costume →
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Whether you are looking for a brand-new or second-hand marshmallow costume, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £3, while premium listings can reach £739.3 — giving you a wide budget spread to work with. The average price of £29.08 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.