Dear Customer, we are sorry to hear that. We understand that choosing a perfect frame size online can be tough sometimes so we suggest that you could please check this link https://www.firmoo.com/help-p-1.shtml
for reference. Please don't worry, we offer a 30-day return&exchange
in which unsatisfied glasses can be exchanged or refunded within 30 days of receiving. Only shipping fees will apply. Please feel free to contact us if you need. Stay safe and healthy!