Cellulose acetate glasses frames is made from a renewable resouces,lightweight,and strong. It also has the widest range for transparency,rich colors,and finishes. At the same,it is hypoallergenic which is why it is considered the highest quality plastic material for eyeglasses. Eco-friendly. Optical acetate glasses is an environmentally-friendly alternative to conventional clean plastics made from petroleum. Thick and bio acetate frames are created with cellulose, a material found in plants; thus, these glasses frames are formed from renewable and natural sources. Durable. Since glasses help many people read and function on a daily basis, durability is essential. Many conventional eyeglass frames are vulnerable to breakage, but best handmade acetate eyeglass frames are durable enough to withstand daily wear and tear,suit for mens and womens.syi