The subject matter described herein includes a mask for use in providing oxygen or nebulized medicaments. The mask includes at least two straps and a plurality of apertures defined along two sides of the mask. The apertures are configured for receiving the at least two straps at more than two positions along a length of the mask. The mask includes at least one exhalation port and an inhalation port for receiving the oxygen or nebulized medicaments. In operation an oxygen delivery tube and reservoir bag are connected to the inhalation port.
