Disposable First Aid Breathing Ventilator Mouth to Mouth CPR Face Shield Artificial Respiration Breathing Mask Emergency Training Rescue ToolsFeature: The mask prevents any direct patient injury to the rescuer's mouth, nose and face, and helps to overcome difficulties and start resuscitation. Disposable packaging with aluminum foil inside, which has been sterilized. The appearance is small and exquisite, it can be put into any first aid kit, and it is easy to carry. The valve hole size is 3*4cm. Emergency rescue is more likely to be used for dummy training. Specification:Material: pvc medical plastic, non-woven fabric Rescue mask color: transparent bag Mask size: 21cm x 18cm Weight: 10gNote:Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Please allow 1-2cm measurement deviation due to manual measurement. 1 X Breathing Mask