Blublox Blue Light Blocking Glasses (company is now called Bon Charge) -'Smith' Style glasses -Excellent condition and comes with original protective hard case and soft bag case. The original science-backed eyewear for achieving deep and uninterrupted sleep. Eliminating 100% of blue and green light between 400-550nm, boosting evening melatonin production and regulating your circadian rhythm. Wear 2-3 hours before bed for improved sleep and wake up feeling refreshed the next morning.