Dear Customer, thank you for contacting Firmoo. If you already have a coupon code, please choose the frame from the voucher code eligible page, then after you have selected all the lenses and click add to cart button, then check all the details and click proceed to checkout, then enter your shipping address, shipping method, payment information and at the bottom, enter the code at the redeem box and click redeem, please check this link for more information on how to redeem the code, https://www.firmoo.com/help-p-89.shtml
. For any further questions or immediate assistance, you may also call our call center thru toll-free hotline at 1-855-487-6006 opens every day from 7 a.m.- 4 p.m. PDT. You can also contact us through our Live Chat Support Team: Start a live chat (Everyday, 4 a.m.-10 p.m. PDT.) or email us at firstname.lastname@example.org. Please stay safe and healthy! Thanks!