An oxygen mask provides a method to transfer breathing oxygen gas from a storage tank to the lungs. Designed for convenient oxygen therapy, they are molded facemask with adjustable elastic strap for proper position of mask on the mouth and nasal area. This particular medical device is provided with 2-meter long star lumen tube to ensure continuous flow of oxygen. Its proximal end is fitted with soft funnel shape connector for easy connection to oxygen source. Again, these masks are sterile, non-toxic and pyrogen free in nature so that anyone can confidently rely on them.