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Feature: Gender: Unisex Material: ABS plastic + UV400 protection lens. Total Width: 7.1 inch Bridge: 3.1 inch Goggles Weight: 2.7 Ounce Lens Color:Transparent, Multi-Color One size can be adjust, suitable children and adult. Package Includes: 2 x Children Safety Glasses How to protect the child's eyes: 1. Watch TV 3 meters away from TV. You can't get too close to TV. 2. Often go outdoors to see green plants and breathe fresh air. 3. Do not lie down to read books so as not to affect the health of the forces. 4. To have a balanced diet, eat more vegetables, especially carrots. 5. Read books or watch TV for half an hour and rest for 10 minutes. The reason that hurts your eyes Sun damage: The ultraviolet light in the sun is a retina that seriously damages the eyes. Low-light damage: Reading or reading a book in such a low-light environment will cause the eye to suffer heavy fatigue and stress. Staying up late: The number of staying up and getting up has doubled, and the burden of vision operations has grown. Radiation damage: Focusing on computer screens for a long time can cause dry eyes and temporary vision loss, and it can easily lead to various eye diseases.