Brand new with tag.
Size M.
Below are the details from the website.

You’ll float again.

– Made from our super comfy Tee fabric
– Relaxed, slightly A-line fit with dipped hemline at back
– Pockets for snacks

Composition: 94% Polyester, 6% Elastane
Washing: Cold machine wash
Designed and made at BMHQ in Australia

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