Brand new with tag.
Size XXS.
Below are details for the website.

"I want to be ‘the’ queen.” – Margaery Tyrell

Intelligent and shrewd, Margaery Tyrell was not afraid of using her charm and wits to secure House Tyrell’s power in Westeros.

– Made from our light, silky Slinky fabric
– Flowing, kimono-style sleeves
– Elegant A-line maxi length
– Fitted V-neck bodice
– Unhemmed sleeves and skirt for the perfect flow

Composition: 86% Polyester, 14% Elastane
Washing: Cold machine wash
Designed and made in BMHQ in Australia

Model size Aus 8 is wearing size XS
Height: 5' 7”