O&M Halyard Inc Orthopedic Drape Lower Extremity Drape 88 W X 131 L Inch Sterile (167000_CS) 14/CSWith a clear boundary established by a drape, the surgical team can concentrate on the task at hand without worrying about contamination from nonsterile areas, leading to smoother and faster operations. Drape is blue because blue provides a high contrast against the red color of blood and tissues, making it easier for orthopedic surgeons to see what they are doing. Conformable 2. 5 inch diameter fenestration fits around patient's limb. Absorbent