FEATURES BLUE LIGHT AND UV400 PROTECTION HIGH QUALITY CR-39 LENSES THAT REDUCE VISUAL FATIGUE HAND MADE ACETATE FRAME WHY ACETATE FRAME? Acetate, also known as cellulose acetate, is a natural material of plant origin. Acetate frames are lightweight and generally considered better and higher quality than plastic frames. They are known for their hypoallergenic qualities and are therefore a popular choice among those with sensitive skin. Handmade frames are preferred because of their durability, flexibility and ability to maintain their vibrant colors for a long time.