Slimfold 3 Authentic Folding reading glasses are made in Japan by Kanda Optical, the authentic Slimfold Manufacturer. These high quality reading glasses fold flat and take up literally no room in your pocket. These are lightweight, fold flat and timeless for all. These are available in 4 styles and an assortment of colors. For custom prescriptions feel free to contact our office and we will give you a quote!