Feature: 1.Air cushion assures comfortable face fitting. 2.Tail inflation valve/Upright inflation valve/Without inflation valve type available. 3.MRI safe with a silicone valve. 4.ISO standard connection port:ISO5356-1(22/15mm). 5.Single patient use. 6.9 sizes with color coded hook ring to easily identify the size. 7.Airtight cushion with superior softness provides maximum comfort. 8.22mm retaining ring are removable for hand-held procedures. 9.Mask can be connected with the anesthesia ,breathing machine,oxygen breathing machine,high pressure chamber ,imbibe-way painless childbearing machine as well as the rescue respiration bag . 10.Suitable for use of anesthesia ,respiratory and resuscitator. Anesthesia Mask packaging details: 1pc /1poly bag,200bags/1case,carton size:51x40x46cm,G.W:10kgs