Halyard Procedure Mask, Pleated, One Size Fits Most, Yellow, Non Sterile, 1 Case of 500 Otoscope Opthal Batteries This functional zone prevents pronation 14804 This functional zone prevents pronation of the thumb and increasedcomfort * The wristband is reinforced to make the glove easier to put on and take off * The compression is reduced at the wrist to prevent a doubling of compression when worn with a Jobst RTW armsleeve * Latex Free * Beige * Does not harden or dry up The pleated style of the Halyard® procedure mask provides size flexibility to fit most adults three layer fabric provides a 97 percent particle filtration efficiency