Figure Friends Hips and Legs Mermaid Tail with Light Lime Tip Pattern Lego compatible brick - PrintableBricks.com
BrickLink - Part 16529c00pb04 : LEGO Mini Doll Hips and Mermaid Tail Assembly with Yellowish Green Caudal Fin and Metallic Pink Stars and Filigree Pattern [Mini Doll, Body Part] - BrickLink Reference Catalog