Here is a rash guard top by Sun Smarties (from the One Step Ahead catalog).  Size 3T.  Pre-owned - a little piling on the coverstitching at the cuffs but otherwise good.

Sun Smarties Rainbow Flower UPF 50+ Rash Guard - 82% nylon / 18% elastane rash guard top has a printed flower rainbow on the front, chartreuse coverstitching and bows at the sides, and a nylon lining in the front.  Color: bright pink.

Please email me with any questions or for more pictures.  All of my listings come from a smoke free environment.  I have other items available in my eBay store and I am happy to combine and reduce shipping charges for multiple purchases.  Thanks for looking.