These classy panties are from Amoureuse. They are a size 8 / XL.
The material is 80% Nylon / 20% Spandex.
The white body fabric is a thicker, heavier material than you normally have in a panty.
The front a beautiful floral embroidered sheer mesh panel.
The thread for the embroidery has an eye catching shimmer to it.
The sheer mesh panel is backed with a somewhat opaque white nylon layer making the front opaque.

Laying flat, the panties measure about 14 inches wide relaxed, comfortably stretching to about 20 inches.
The rise is about 14 inches.