We know our stuff. We are opticians and optometrists MSc. If you are not satisfied, you can send the Eyeglasses Frames back. 100% authentic branded goods directly from the optics warehouse. Our Eyeglasses Frames are unworn and carefully checked. Signs of wear may occur due to storage. In any case, errors are clearly described and shown in the pictures. Size chart for better orientation. XS Total width = 110 – 130mm. M Total width = 130 – 140mm. L-XL Total width = 140 – 155mm. PS: Whoever reads this is very well informed. We are opticians and optometrists MSc 100% satisfaction guarantee If you are not satisfied, you can send the Eyeglasses Frames back. 100% authentic branded goods directly from the optics warehouse Our Eyeglasses Frames are unworn and carefully checked. Size chart for better orientation XS Total width = 110 – 130mm M Total width = 130 – 140mm L-XL Total width = 140 – 155mm PS: Whoever reads this is ver.