In good condition

No material/size tags

Based on touch, it feels like 100% linen, lightweight, and might be a bit sheer

Based on the below measurements, it is a form-fitting S or regular XS

Flat: pit to pit 16", length 48", length of side slits 20", see pictures too

Please compare these measurements to those of your own clothing to ensure proper fit 

From a smoke & pet free environment