Different Frame materials:

Titanium ¡¤ Metal ¡¤ Lightweight, durable, strong, and very corrosion-resistant ¡¤ Hypoallergenic	Flexon ¡¤ Titanium-based alloy ¡¤ Memory metal, because it can go back to its original shape ¡¤ Lightweight, durable, strong, and very corrosion-resistant ¡¤ Hypoallergenic
Stainless Steel ¡¤ Metal ¡¤ Lightweight, durable, strong and very corrosion-resistant ¡¤ Hypoallergenic	Monel ¡¤ Metal, mixture of broad range of metals ¡¤ Most widely used material in eyeglasses ¡¤ Malleable and corrosion-resistant
Zyl (Plastic) ¡¤ Today plastic frames have experienced a fashion resurgence ¡¤ Comes in many colors and patterns