These blue light blocking glasses are well liked for their effectiveness in blocking blue light and helping people to sleep more easily. FEATURES - Block 99-100% of blue light in the evening to fall asleep easily & good quality sleep - Wake up feeling rested and energized. - Use electronic devices before bed without their affecting your sleep. - Protect against eye strain. OTHER - BPA-free acetate frames - Flexible spring hinges - Prescription grade CR-39 lens - Calming orange-tinted lens blocks more blue light SIZE Regular. See picture of size chart for specifications. CONDITION Brand new for sale in the store. Price firm as there is no margin on this item after platform fees & expenses. Thank you for your understanding! TAGS Blue light blocker; orange tinted lenses OUR CUSTOMER SERVICE Items stored in smoke-free, perfume-free environment, carefully inspected before shipping, then wrapped & quickly shipped. Extra attention placed on packaging to protect items, being environmentally conscious in choice of packaging materials, & communicating with customers throughout shipping process. WHAT YOUR PURCHASE SUPPORTS A percentage of proceeds supports selected animal rescue agencies.