Breathable and absorbs moisture well. Emit far infrared rays to promote blood cieculation. Eco-friendly, Moisture-absorbent, promotes the blood circulation, it can smooth the presure of the nerve and blood vessel of the eye. As bamboo charcoal eye mask can help to relieve fatigue and improve sleep quality, it will come in handy for computer users, students, oldfolks and stressful executives, during their resting hours. Have a quick rest with bamboo charcoal eyemask of ZURKN.