I-Laryngeal Mask Airways yosetyenziso olulodwa lwenziwe kwizinto zebakala lezonyango, zine-biocompatibility egqwesileyo.Iimveliso zineentlobo ze-5: I-PVC eqhelekileyo ye-Laryngeal Mask Airways-INDLELA ENYE, I-Silicone i-mask ye-laryngeal eqhelekileyo-INDLELA ENYE , I-PVC eQinisekisiweyo ye-Laryngeal Mask Airways-INDLELA EZIMBINI, i-Silicone eqiniweyo imaski ye-laryngeal-INDLELA EMBINI, i-Silicone eyomeleziweyo yemaski-INDLELA ENYE).