PukguroSheer Shawls and Wraps for Evening Dresses Chiffon Capes for Women Soft Wedding Cover Up

does the shawl button in back, or go over the head to wear such as a collar shawl ( the photo looks like a collar shawl) or open in back?

Is Purple true to color ?

What is the length (in inches) of the shawl in the back. (If you don't know, please don't answer. It's not helpful.)

I am 5'1' tall and weigh 119 pounds...Will this swallow me?