This is a Rectangle shape (Medium size) frame with multiple colors for Men and Women. This frame is made of Ultem material (Ultra-Lightweight, Flexible & durable, and long-lasting with age and temperature). 
 
Ultem Material:
ULTEM is polyetherimide resin. Ultem glasses frames are known to be lighter and more flexible than traditional materials.
Hypoallergenic, and is lightweight which is one-third of traditional plastic and metal frames.
Ultem frames are as light and flexible as titanium frames; compared with acetate frames, they look thinner, Very comfortable to wear.