McKesson Brand Suction Yankauer, Case of 50 Rigid with Bulb Tip, Non-Vented. Constructed of a clear, transparent material with a slip-resistant handle. Yankauer is a one-piece design, made from a blend of clear, blue-tinted, shatterproof and non-metamorphosed plastic. Edges are smooth and clean, with no flash or parting lines. Clear tips permit visual monitoring of suction fluids. A smooth and uniform inner surface for rapid evacuation, fits securely on all types of tubing. Sterile. Single Use Only. Not Made With Natural Rubber Latex.