Electric Heated Dry Eye Mask. Adjustable Controller Allows You to Choose Your Temperature Preference. Relieves The Symptoms of Chronic Dry Eye, Blepharitis, MGD, and Styes. Mask Is 100% Cotton. Kit Contains: Eye Mask, 6 Foot USB Wire, USB Wall Plug And 2 Extra Covers. Home Use Dry Eye Mask That Offers True Dry Eye Relief. Developed By Dry Eye Specialists. Recommended By Eye Doctors and Dry Eye Specialists. 1 Year Warranty.