Single-Use PVC Laryngeal Mask Conforms to the contours of the hypopharynx for exceptional fit, allowing rapid, blind insertion. Semi-rigid, yet flexible tube enables you to detect blood, secretions and regurgitated gastric contents. Offers easy access for a fiberscope, suction catheter or tracheal tube. Size 1 is for neonates/infants up to 10 lbs; Size 1.5 is for infants 12-22 lbs; Size 2 is for infants/children 22-44 lbs; Size 2.5 is for children 44-66 lbs; Size 3 is for children 66-110 lbs; Size 4 is for adults 110-155 lbs; Size 5 is for adults 155-220 lbs. 5/Case Single-Use PVC Laryngeal Mask-Size - 1