combination set of a cuffed endotracheal tube supplied together with a flexi-slip stylette 5.0 high volume/low pressure cuff is sized proportionately to tube size. black positioning ring visually assists in proper placement below the larynx. pilot balloon allows for tactile sense of cuff volume. depth markings with full length x-ray opaque line. flexi-slip stylette is plastic coated for easy withdrawal with a malleable metal core.