It’s called Tie-Dye Ruffle Halter Set / Mermaid Y2K Beach Set

Material:
It’s Soft Slinky Mesh / Velvet Mesh – that’s Polyester + Elastane (Spandex) blend.
Very stretchy, lightweight, slightly sheer, velvet-like tie-dye print in green/brown. That gold thing in front is just a metal charm connector.
• Material: Premium tie-dye slinky mesh (polyester elastane, stretchy, soft velvet feel)
• Top: Halter cowl neck with gold spiral ring, backless, adjustable neck tie
• Skirt: Low-rise micro mini with layered ruffle and side tassel ruffle ties, adjustable drawstrings
• Print: Green / Brown earthy tie-dye / marble print
• Fit: Free size fits S/M/L (UK 8-12), very stretchy
• Occasion: Beach party, pool party, vacation, birthday, night out, photoshoot
• Includes: Top + Skirt (2 pieces)
Why customers love it: Figure-hugging, sexy, Instagram-ready. Looks expensive on.
Care: Hand wash.