4-piece Kids Mermaid Tail Costume Set With Monofin — Girls’ Little Bikini Swimming Outfit
Let your child explore an ocean of imagination with this 4-piece Kids Mermaid Tail Costume Set. Made especially for girls, the ensemble features a decorative mermaid tail, a coordinating top, and matching shorts. A Monofin is included so your little swimmer can experience authentic gliding motions in the water.
The costume is constructed from high elasticity polyester, delivering a comfortable, long-lasting fit that moves with your child. The stretchable fabric accommodates a range of sizes from 4T to 12T — consult the detailed sizing chart to choose the best fit.
Kids will adore the vivid color palette and realistic mermaid-scale styling. The tail is walkable when the Monofin is removed and becomes swimmable once the Monofin is inserted, enhancing the believable mermaid feel.
This set is ideal for summer beach trips, pool parties, surfing, cosplay events, birthday celebrations, Christmas, or simply imaginative play at home. Its charming design encourages creative role-play and makes a delightful gift for many occasions.
Bring your child’s mermaid fantasies to life with this 4-piece Kids Mermaid Tail Costume Set. It’s more than clothing — it’s a ticket to a magical underwater adventure. Let them slip into the tail and begin exploring today!
Features and Benefits:
- 4-piece Kids Mermaid Tail Costume Set crafted for girls, including a decorative mermaid tail, a matching top, and shorts, plus a Monofin for a full mermaid experience.
- Made from high elasticity polyester to provide comfort, durability, and freedom of movement. The stretch fabric fits children sized 4T to 12T.
- Detailed, vibrant mermaid-tail design that’s walkable without the Monofin and swimmable when the Monofin is inserted, adding realism to play and swimming.
- Perfect for a variety of occasions such as summer surfing, beach holidays, pool parties, cosplay, birthdays, Christmas, or home dress-up.
- Promotes imaginative play and helps turn mermaid dreams into reality — this set offers more than just a costume, it opens the door to an underwater world.
- The 4pcs package includes 1* Mermaid Tail, 1* Top, and 1* Shorts, delivering a complete outfit.
- Designed as costume wear inspired by mermaid characters from movies and TV, making it relatable and enjoyable for kids.
- Suitable for both girls and boys, offering a versatile costume option.














