sigvan progressive multifocal computer glasses women men blue light blocking reading glasses spring hinge readers (2 mix, 2.25) sigvan <br>material: plastic <br> <br>features: comfortable <br> <br>size:<br> <br>lens width: 52mm/2.04in<br> <br>lens height: 40mm/1.57in<br> <br>bridge:15mm/0.58in<br> <br> arm: 135mm/5.31in<br> <br>frame width: 140mm/5.51in<br> <br>colour:multicolor<br> <br>material:plastic, which has the characteristics of super lightness, abrasion resistance low friction coefficient and so on.<br> <br>note:<br> <br>due to the differences between different monitors, the picture may not reflect the actual color of the project. thank you!<br> <br>it is a size used for manual measurement and may have an error of 0 to 1 cm, which is normal.please refer to the actual size. <br> <br>we will do our best to solve any problems and provide you with the best customer services.<br> <br>thank you so much for support us!<br>