Children's two-piece swimsuit with pink and multicolor design on a white background
Ruffle Butts Atlantis Mermaids Long Sleeve Rashguard 2 Piece

Ruffle Butts Atlantis Mermaids Long Sleeve Rashguard 2 Piece

$23.00
$23.00
$46.00
Sold Out

Size: 18-24M

Ruffle Butts Atlantis Mermaids Long Sleeve Rashguard 2 Piece

The Atlantis Mermaids Long Sleeve Rashguard 2-Piece from RuffleButts is a precious, sun-safe swimwear set for baby and toddler girls — signature ruffles bring playful energy to this adorable two-piece featuring a long-sleeve rashguard and coordinating bottoms, all with built-in UPF 50+ protection.

Product Details

  • Age Range | Baby & Toddler Girls — Sizes 18–24M, 2T, 3T, 4T
  • Material & Safety | 80% Nylon, 20% Spandex — soft, stretchy fabric with UPF 50+ sun protection
  • Fit | Two-piece set with long-sleeve rashguard top and coordinating ruffle bottoms
  • Care Instructions | Hand wash cold, line dry

Why Kids Love It

  • Enchanting Atlantis mermaid print sparks imagination and underwater adventure
  • Signature RuffleButts ruffles add sweet, playful energy to every splash and swim
  • UPF 50+ long sleeves keep delicate baby and toddler skin protected all day at the pool or beach

Perfect For

  • Pool days, beach trips, splash pads, and summer water play
  • Baby and toddler girls sizes 18–24M through 4T who love mermaid-themed swimwear
  • Baby shower gifts, birthday presents, and summer swim adventures

Size Guide

Size Guide

Shipping Policy


All orders are processed within 1-2 business days. Orders are not shipped or delivered on holidays. Cost of shipping will vary due to location and weight. See shipping choices by carrier at check-out. Please contact the postal service if your package becomes lost or stolen, where as it is out of our control once we ship it out.