; The glass features uv protection crystal color.
; By Harmony Brand Glasses are under the guarantee of By Harmony Turkey Distributor for 2 years.It will be sent with its original box, wiping cloth, soft case and warranty certificates. ; The glasses, which are produced using environmentally friendly 100% organic dyes, are 100% recyclable and environmentally friendly, thanks to its raw material. By Harmony BH 2180M 33 Female Blue Light Shield It's not a medical device.