This face mask is designed for flute and piccolo players. It helps reduce aerosol spread during instrument play, with a double-layer design. The mask meets NFHS study recommendations and has a flute slot for continuous playing. It has universal sizing, a bending nose wire, and adjustable straps for comfort. It's reusable and hand washable. Product Dimensions (Folded): 6.75 x 6.5 inches (L) x 6.5 x 6.5 inches (W), Net Weight: 0.10 lbs./0.04 kg