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Celestial Fiona

Tulle Swimsuit

This Item is Final Sale

Tulle for the pool? Yes, please! This adorable one-piece features a tiered-tulle skirt, so even your beach or pool days can feel a little bit fancy. Featuring 6 layers of delicate sheer mesh, our tulle is designed not to irritate sensitive skin, so your little one will feel comfy and look stylish splashing around! The scoop neckline and gorgeous back cutout detail further elevate the look of this darling one-piece swimsuit. Our quick-drying UPF 50+ swim fabric is fully lined, so it will protect her delicate skin while out in the sun. Sizes 0-3M to 18-24M feature 3-snap closures on the bottom for easy diaper changes or trips to the potty. Pair this swimsuit with one of our premium matching towels to complete the look!


  • One piece swimsuit
  • Scoop neckline
  • Sleeveless
  • Keyhole back design
  • Inseam snap closure for sizes 18-24M and below
  • Shimmering iridescent foil detail
  • 50+ UPF protection
  • Exterior: 80% Nylon, 20% Spandex
  • Lining: 100% Polyester
  • Tulle: 100% Polyester
  • Machine wash cold with like colors
  • Tumble dry low / Cool iron if needed
  • Swimwear won't match collections exactly due to different fabric
  • Signature Posh Peanut® design

Our signature Päpook® viscose from bamboo is lightweight, breathable, and extra soft for your baby's delicate skin. Its natural weave makes it stretchy enough for a nice snug fit, yet comfortable for all-day wear.

No Harsh Chemicals
We comply with snug fitting standards to eliminate the use of flame retardant chemicals during our production process – irritants like chlorine-containing bleaches, zinc, and sulfate. So you can rest easy knowing our fabric is free of irritants and toxic treatments.

Benefits of Viscose from Bamboo
This fabric has it all. Lightweight and breathable with fibers to wick away moisture while micro-gaps aid in ventilation and heat regulation. This means you stay cooler during the summer and a few degrees warmer during the winter. This makes it great specifically for people with sensitive skin and/or allergies. It also has natural UV protection to protect your peanuts from sun rays in comfort.


At Posh Peanut, we do our bit towards fostering a more positive future, creating thoughtfully produced garments. Bamboo is one of the fastest-growing plants on earth. It requires very little water and grows 3-4 feet a day without any fertilizers. We are proud to say our products are made using the highest standards in textile.

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Runs Small!!

This swim suit is a shimmery material that is hard to notice in the pictures online. It is adorable but runs small! Size up!