McKesson All Purpose Bulb Sirenge (For Aspiration and Irrigation) is 2 oz.That color has Light Blue and it can be used for any aspiration or irrigation procedure. Long tapered tip and increased suction power. Pronounced ribs provide a secure grip for more accurate volume control. Flat bottom allows Sirenge to stand on its own. Sterile blister pack assures aseptic technique. Sterile Single Use DEHP-Free Not Made with Natural Rubber Latex.