Our Marlin Blue Collection by Serendipity features classic blue and white stripes in soft, cotton knit and easy-to-wear styles that can mix and match with your child's wardrobe. Our twirl-worthy Seaside Twirl Dress is festive and fun with custom buttons and sweet pockets for added whimsy! Pair with the Marlin Blue Shorties or Redfish Shorties. Cotton/Elastane blend. See Size Guide.