Charcoal shading goggles good ventilation and sweat absorption and is a natural material. Carbon particles at high temperature infrared treatment may relieve eye wear mentally and vascular pressure to better blood circulation. To eliminate fatigue computer users car owners students the elderly or the pressure of the office workers lunch break night sleep or car travel used to help to help eye care. - Made of non-woven clothing and bamboo charcoal with elastic band - Ideal for travel on plane train or bus - Reliefing headache and fatique - Resting tired eyes after long time reading and working before computer - Insomnia headaches migraines and hangovers