Package Size: 3.25"x2.4"x0.5" weight:0.04lbs
Effective seperation of mouth contact, hygiene and easy to use.
HOW TO USE
1. Use the fingers crossed to open the wounded mouth.
2.Take air outlet insert into wounded mouth.
3.Keep the wounded in the head back and raise chin to keep the airway,pinch the wounded nose,inhale the air,blow it through the air inlet to the wounded mouth.