SIZE: One size fits most adults with an adjustable ear-loop string - tie to a perfect fit DIMENSIONS: Approx size in inches: 8" (w) x 5" (h) at nose ADJUSTABLE: Comfortable Ear Loop with string MATERIAL: Double Layer - 100% Cotton Cloth (inner layer) Polyester (outer layer) FILTER POCKET: A pocket to insert a filter (filter not included) COMFORT: Easy to breathe through. High quality, soft, comfortable CARE: Washable and Reusable. Wash after use. Wash before first use.