We spend more time each day in front of cellphone, computer and device screens than ever before — keep your eyes protected from extended exposure with these blue blocking sunglasses. Made of durable plastic, these glasses have a thick frame design that is totally “nerd chic” with HD non-scratch lenses. Makes a great giveaway for those tech-obsessed activities and events. Available in assorted colors. Add your school, sports team, organizational or company logo or message to customize.