The Romsons Flexi Mask Oxygen Mask with Tubing is designed for convenient oxygen therapy The moulded face mask is manufactured from non-toxic, non irritant medical grade PVC material It is provided with adjustable elastic strap for proper positioning of mask on the nasal area The swivel connector is provided for convenience of attachment to the oxygen tube It is provided with a 2 meter multi channel tube to ensure continuous flow of oxygen The proximal end fitted with soft funnel shape connector for easy connection to oxygen source These are suitable for Adult patients They come in a standard packing of 20 masks per box