Our glass nail files are high-quality genuine Czech-made. Made by Mont Bleu, the grit is etched into the tempered glass. They are handmade, double tempered, and built to last. Unlike regular nail files, glass nail files last a lifetime. They also do not split your nails. Easy to care for with soap and water. The dimensions are 135 mm long by 2 mm thick. These files come in 6 different color combinations with our logo printed on the handle. Each one comes with a white protective sleeve.