Easy to use : Assembly can be completed in 10 seconds.Made of high quality material, these accessory is latex-free, no smell, more durable and lightweight to maximize comfort Reusable : These accessories are reusable and easy to clean. Please clean them after each use to extend the lifetime.Oxygen face mask is designed to fit comfortably over the nose and mouth thereby ensuring smooth flow of oxygen from the oxygen cylinder or can for direct delivery into the lungs. The mask is handy to use in all situations to recover from conditions resulting in low oxygen levels in the body. Ultra soft edges for a comfortable fit and longer use. No loss of oxygen delivery to the lungs. Perfect fit with high quality elastic strap. Light weight design supplied with 1 meter long tubing with universal adapter which connects to all oxygen sources.