Disposable Silicone Laryngeal Mask Airways are available in sizes from 1.0mm to 5.0mm. Disposable Silicone Laryngeal Mask Airways are sterile and for single patient use. Disposable Silicone Laryngeal Masks are made of medical-grade silicone and gentle to the airway. The shape of the mask makes insertion fast and easy. The Laryngeal Airway Masks feature easy indication of the cuff pressure through pilot balloon and the flexible tube allows for smooth insertion. Disposable Silicone Laryngeal Mask Airways are not made with natural rubber latex.