This model is available only in Zero Power
TOUGH PRODUCT : This product is perfect for those who want to prevent blue light exposure and have rough handling. The polycarbonate lens material used in these safety glasses does not break so easily.
REPLACEMENT POLICY : Your order remains protected under 60 days warranty & 7 days free replacement/ exchange policy. Each pair of glasses undergoes detailed robotic & manual quality testing hence the chances of defects are usually negligible.