No tag. Feels like cotton. Fits a S-M depending on desired fit.
These measurements are from laying flat:
15 1/2" Long from top of the shoulder strap to bottom in the front
16" Long from the top of the shoulder strap to the bottom
18 1/2" Across bottom in front
18 1/2" Armpit to armpit in front
9 1/2" Curl from the tip of the shoulder strap to the armpit (arm holes).
The front is slightly shorter than the back