Darina Hawaiian Top, possible OS
Caftan fit, but waist/half length
Half circle when laid out flat
Sash belt, Holes on each side to feed the belt through
Stand up collar with one frog closure
Blue & white floral

No content tag, feels poly or nylon.
No size tag - see measurements! Realistically, I would think UP TO a large would be roomy enough.

Measurements - flat (All measurements in inches)
Wingspan, Across the shoulder, edge to edge - 38.5
Underarm to underarm, invisible seams - 22.5
Length, from center of back (below collar if present) - 25

W8

This item is sold from a vintage boutique in Phoenix, AZ.