These low brow reading glasses are the perfect combination of style and function. Each lens is CR-39 with anti-reflective coating to keep you focused and looking great. The lens width is 7.2cm and the lens height is 4.6cm, made from clear, transparent glasses for a sleek look. The frames are made of lightweight plastic, and offer UV400 protection. Additionally, the glasses are available in both hyperopia/farsightedness prescription and zero strength, with a 20-25 day expected delivery time.