at the same,it is hypoallergenic which is why it is considered the highest quality plastic material for eyeglasses.
cellulose acetate glasses frames is made from a renewable resouces,lightweight,and strong.syi optical acetate glasses is an environmentally-friendly alternative to conventional clean plastics made from petroleum. ascari acetate sunglasses designer 49-23 handmade high square glasses retro vintage frame for men driving women optical handcrafted in japan 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.