The world's thinnest and lightest reading glasses, the weight is comparable to 2 sheets of paper! The latest revolution in reading glasses. Ultra thin and lightweight, made from Ultem. You almost forget you have it on! The flat lens is equipped with a 30% blue light filter of BlueShields quality. The included hard storage system is made of 4 mm brushed aluminum and protects your glasses optimally. This case and glasses are so thin that you can easily take them with you wherever you go.