Last updated at 14/11/2026 01:59:32
Fun World Sinister Sister Costume
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Sinister Sister Skull Nun Zombie Priestess Unisex Costume
Delivery between 19–27 Nov $10.95
Sinister Sister Adult Halloween Costume
Delivery $13.95
Sinister Sister Adult Halloween Costume
Delivery $13.95
Sinister Sister Adult Halloween Costume
Delivery $13.95
Sinister Sister Nun Gothic Zombie Ghost Spirit Horror Womens Mens Costume OS - Size Standard (33-42)
Free delivery between Tue – Wed
Sinister Sister Costume Adult Standard
Delivery $9.99
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Sinister Sister Costume Mens
| Character | Sinister Sister |
| Color | Black |
| Holiday | Halloween |
| Theme | Halloween, Halloween Classics |
| Type | Costume |
Fun World Sinister Sister Costume
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Sinister Sister Skull Nun Zombie Priestess Unisex Costume
Delivery between 19–27 Nov $10.95
Sinister Sister Adult Halloween Costume
Delivery $13.95
Sinister Sister Adult Halloween Costume
Delivery $13.95
Sinister Sister Adult Halloween Costume
Delivery $13.95
| Character | Sinister Sister |
| Color | Black |
| Holiday | Halloween |
| Theme | Halloween, Halloween Classics |
| Type | Costume |
Imagine people tapping you at the back, thinking you came as a sweet nun, only to scream in shock when they see your mask. This scary nun outfit is perfect for Halloween. It is a set of sinister looking mask, a nun's gown, a collar, a veil, gloves, and a medallion. Successfully play the part of a ghoul nun in this Halloween costume.
Imagine people tapping you at the back, thinking you came as a sweet nun, only to scream in shock when they see your mask. This scary nun outfit is perfect for Halloween. It is a set of sinister looking mask, a nun's gown, a collar, a veil, gloves, and a medallion. Successfully play the part of a ghoul nun in this Halloween costume.
in 8 offers
The lowest price for Sinister Sister Adult Costume right now is $43.96 at Costume King, compared across 8 retailers.
The all-time low was $43.96 on 14 Nov 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 14 Nov 2026.
Sinister Sister Adult Costume
Imagine people tapping you at the back, thinking you came as a sweet nun, only to scream in shock when they see your mask. This scary nun outfit is perfect for Halloween. It is a set of sinister looking mask, a nun's gown, a collar, a veil, gloves, and a medallion. Successfully play the part of a ghoul nun in this Halloween costume.
Imagine people tapping you at the back, thinking you came as a sweet nun, only to scream in shock when they see your mask. This scary nun outfit is perfect for Halloween. It is a set of sinister looking mask, a nun's gown, a collar, a veil, gloves, and a medallion. Successfully play the part of a ghoul nun in this Halloween costume.
