Features: Features: Flexible, Adjustable Nose Bridge; Ultra-Soft Elasticized Straps; Ultra-Soft Nano Technology Fabric; Machine Washable & Reusable; 3-Layer Antibacterial Construction; 3 Layer Construction - (Nano Technology Fabric, 100% Polyester; Antibacterial Filter, 100% Polyester; Antibacterial Knit Fabric, 35% Cotton, 65% Polyester); Dimensions: 6" H x 4 ½" W; Minimum Quantity: 5 pieces per box