In stock
Girls Rainbow Mermaid Tail Costume with Monofin - Swimmable Bikini Set
- SKU:
- tt2004+2008
Size Chart
Same Day Dispatch
Order by 2pm AEST
Easy Returns
14 days
Posted from Australia
Fast local delivery
Product Details
What's Included
- Top
- Pants
- Swimmable Tail with Black Monofin
This Girls Rainbow Mermaid Tail Costume with Monofin transforms confident young swimmers into fantasy aquatic creatures. The multi-piece set includes a functional halter bikini, fitted tail skirt and unbreakable polyurethane monofin designed for real pool and ocean swimming.
The vibrant rainbow gradient flows seamlessly from turquoise-green at the waist through pink-yellow mid-section to purple-blue at the fluke, with multicolored polka dots throughout. Stretchy swim-grade fabric moves with the body while the neoprene-covered monofin provides propulsion without chafing. The halter top features adjustable neck ties and the tail opening allows quick emergency removal.
Key Features
- Unbreakable polyurethane monofin with neoprene fabric covering for comfort
- Built-in ankle cuffs on monofin secure fit during active swimming
- Stretchy polyester/spandex blend withstands chlorine and saltwater
- Tail design allows easy foot insertion and fast removal in water
- Matching rainbow polka dot pattern across bikini and tail pieces
Perfect For
Pool Parties & Beach Outings: Combines functional swimwear with fantasy dress-up for mermaid-themed birthday celebrations, family beach days, or resort pool holidays where kids want imaginative play alongside actual swimming.
Swim Lessons with Play Component: Confident swimmers can wear this during supervised pool sessions, building leg strength through monofin propulsion while enjoying aquatic fantasy role-play between drills.
Underwater Photography Sessions: The vibrant rainbow gradient and polka dot pattern photograph beautifully in clear pool water, making this ideal for professional mermaid photo shoots or family underwater camera fun.
How to Wear It
Put on bikini pieces first, then slide feet through tail opening and insert into monofin ankle cuffs. Adjust halter ties for secure fit. Always supervise young swimmers wearing monofins — recommend practice in shallow water before deeper pool use.
Frequently Asked Questions
What age range does this fit?
Designed for girls aged approximately 4-10 years across five sizes. Check the size chart image for specific height and weight ranges. The stretchy swim fabric accommodates growing bodies.
Is the monofin removable from the tail?
Yes — the monofin slides in and out of the tail fluke pocket. Kids can swim in the bikini and tail without the fin for less advanced propulsion, or remove the tail entirely for regular swimming.
Can this be worn in chlorinated pools?
Absolutely. The polyester/spandex swim fabric and polyurethane monofin are designed for pool use. Rinse thoroughly after each swim and hang dry to maintain color vibrancy and fabric elasticity.
How does the monofin feel on young feet?
The neoprene fabric covering and built-in ankle cuffs cushion the feet and reduce rubbing. The ankle cuffs hold the fin securely without cutting into skin. Start with short 10-15 minute sessions for kids new to monofin swimming.
Is this safe for beginner swimmers?
No — this set is only suitable for confident swimmers who can comfortably swim unassisted. Monofins restrict individual leg movement and require different technique. Always supervise and practice emergency tail removal before open water use.
Care: Hand wash cold, air dry flat. Do not bleach or iron.
Shop more costume bikinis and discover our mermaid costumes collection.
Shipping, Returns & Support
Shipping, Returns & Support
We dispatch quickly from our Melbourne warehouse and offer reliable delivery across Australia. Easy returns and fast support are available if you need help.
Delivery
✔ Dispatch within 1 business day
✔ Same day dispatch before 2pm
✔ Australia-wide delivery with tracking
Returns
✔ Easy 14-day returns & exchanges on eligible items
When will my order arrive?
Most orders arrive within 2–6 business days depending on your location.
Can I return this item?
Yes, we offer easy 14-day returns on eligible items.
Need help choosing the right size?
Our team is online and ready to help — get a quick answer before you order.
Or email: [email protected]
Delivery timeframes shown anywhere on our website (including the postcode delivery estimator) are estimates only, based on Australia Post's published delivery standards, and are not guaranteed. We dispatch from our Melbourne warehouse; once an order leaves us, delivery is carried out entirely by Australia Post and is outside our control. We cannot be held responsible for delays caused by Australia Post, weather, peak or seasonal volumes, incorrect or incomplete addresses, or public holidays. Such delays are not grounds for a refund, replacement or cancellation.
Reviews
Customer Reviews
4.8
100% of customers recommend this product
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Top customer reviews
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Love the costume and arrived 0 people found this helpfulLove the costume and arrived very quickly
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6 little mermaids 0 people found this helpfulLook great quick delivery - Xmas presents so have not seen them on or working.
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Excellent service by your company thank you 0 people found this helpfulExcellent quality, arrived exactly on the due date and my little girl was soo happy she wouldn’t take it off! Brilliant service thank you
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Great product. Have not yet 0 people found this helpfulGreat product. Have not yet used it in the pool.
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Thanks for a great service! 0 people found this helpfulVery happy with the service ! The goods where shipped extremely quickly and with express post as promised and they are just as described . :ok_hand: Highly recommended this website.
