Soft, flexible Mediprene® material. Available in even sizes 20 - 36F. Single use, A disposable sfot, flexible nasal airway maximizing patient comfort. The latex-free Robertazzi is the ideal way to maximize patient comfort while offering the best solution for latex sensitivity. It is economically priced allowing you to offer a quality latex-free product as your standard nasal airway choice. Features: Smooth beveled edge, Soft, Resilient, Disposable, Latex-free. Benefits: Beveled tip for comfortable, gentle insertion. Soft material to avoid damage to nasal passageway. Trumpet for secure placement. Available in a full range of sizes, Economical.