Product Name: Oxygen Mask Size: S/M/L/XL Color: Green/Transparent Type: EO Gas Sterile,CD-001 Package: 100 pcs/Carton Composition: Medical Grade PVC Executive Standard: ISO13485 CE and approvedAdjustable nose clip and elastic strap; Available with two types; DEHP free and 100% latex free available; Customized length; Medium concentration; with 2m oxygen tubing. Ergonomic design for greater patient comfort. Single patient use to avoid cross-contamination. Latex-free elastic head strap for better comfort and less skin irritation. Highly transparent material for patient observation.Provides 40-50% oxygen; indications: Hypoxemia, initial treatment of hypoxemia in case of emergency, severe trauma, etc.;