A nasal cannula cover is provided and includes a cover body having a cover front, a cover rear, a cover length and cover width, wherein the cover length and cover width are sized to cover at least a portion of a nasal cannula having a cannula oxygen output port, wherein the cover body further includes, at least one oxygen output port opening for receiving the cannula oxygen output port, and a body connection device having a first attaching portion and a second attaching portion, wherein when the cover body is associated with the nasal cannula,the first attaching portion and second attaching portion are configured to securely and removably engage with each other, and the cannula oxygen output port of the nasal cannula is protruding from the at least one oxygen output port opening