Manufacturer:Cyxus Technology Group Ltd.
LIFETIME WARRANTY - You can return the defective products for repairing or exchanging for free at any time (if not man-made damage).
DURABLE and FUN - Frame Material: Plastic; Lens Material: Polycarbonate; This durable and fun glasses is available in a wide array of styles that your kids will appreciate.
BLUE LIGHT BLOCKING - Kid's glasses(NON-prescription) for daily use when kids using a computer, iPad or smart phone. Cyxus glasses can cut 90% of the blue light. Reduce eyestrain and headache. Protect children's eyesight.
FDA REGISTERED COMPANY- Cyxus is the professional eye protection glasses brand in USA with the FDA certification,CE certification and RoHS certification.
AGES 5-8 - The eyeglasses generally fit boys and girls from ages 3 to 8, but it depends on the size of the kids. For more accuracy, please refer to the frame size.