Features: brand new and high qualityDisposable oxygen mask,it is convient to use for health hygiene,no need worry bacteria breeding .High concentration high flow oxygen therapy,comfortable use by the patient lightweight,portable,it can improves oxygen efficiency and patient comfort transparent tube with flexible universal connecting tip,it is suitable for all kinds oxygen equipment.High quality material , it is made of PVC material , durable ,healthy ,you can use at assure .Oxygen mask with flexible tube to assist breathing and is specially designed for high concentration oxygen therapy. Nonrebreathing masks deliver oxygen concentrations of oxygen.The oxygen mask with adjustable elastic rope ,it is easy to wear ,convenient to get a comfortable .Specifications: Material:PVCPackage Includes: 1 Set Oxygen MaskInclude:1 Piece Oxygen Mask1 Piece Tubenote: Please allow 12cm errors due to manual measurement.Due to the difference betweeen different monitors,the pic may not reflect the actual color of the item.