As a product or industry expert, I would like to highlight the features of the Folding Progressive Photochromic Reading Glasses +1.0 To +4.0. These unisex glasses are made with high-quality acrylic lenses and a durable stainless steel frame. With a lens height of 3.4 and width of 5.1, these glasses also have a mirror optical attribute, making them a perfect choice for those looking for functional and stylish eyewear.