IFB Solutions Elastic Ear Loops Face Mask - These comfortable, breathable masks are based off CDC guidelines for sewn-cloth face coverings and are washable for convenient use. Tight-knit cotton, dual panels cover the nose and mouth. Black elastic ear loops hold mask on face. One size fits most. Panels are made of 100 percent cotton knit so you can wash and wear the mask again and again. Elastic strips contain latex. These masks are not FDA or OSHA approved for medical use and do not qualify as a medical device.