Cosplay Arm Warmer/Sleeve Accessories. Custom. New

Cosplay costume accessory: arm... warmers? Sleeves? Rose pink & white stripes with flared, “tattered” edges. Abandoned commission from my custom shop; never worn, stored in protective wrapping. I believe these were L or XL—made according to measurements: 12” around 24” length I don’t remember the name of the (RPG) character, but there’s a fun mermaid skirt that was meant to go with these listed separately. Gamers... help a girl out? Who is she?