The shape is square, which works perfectly for those with diamond, oval, and round-shaped faces. The frame colour is grey, which matches most styles, hairstyles, and skin tones. The frame is transparent, which is a popular trend and will go with any kind of skin complexion and outfit. These glasses are equipped with flexible temple hinges, which is a great component for those who often take off their glasses! The material is mainly made of lightweight and durable plastic.