Reusable mask for soothing, effective relief of Dry Eye, Blepharitis, MGD, Chalazion and Styes. The OPTASE™ Moist Heat Mask is designed to give you effective relief from dry eye and other related eye conditions. The Moist Heat Mask features HydroBead™ technology, which absorbs moisture from the air and releases a natural, constant moist heat. The OPTASE™ Moist Heat Mask is safe, effective and convenient: No Added Water Needed, Easy to Use – Ready in Seconds, Washable and Reusable, Soft and Comfortable to Wear. The heat mask will not support the growth of bacteria or fungi. The heat mask requires no special covers, will not dry out, dissolve, or develop odours. Always read the product information before use.