Product Details: Feature: *The CPR Mask be packed in a Keychain bag, compacted in shape, can be placed into any first aid kit, Easy to carry. *It will low resistance unidirectional valve and water filter are combined to block fluid and *To the casualty in doing mouth to mouth artificial respiration, avoid contact with the patient's mouth, nose and face. *secretions, valves and filters together played a barrier to rescue personnel and sick isolation. Specification: *Keychain Bag Material: Nylon *CPR Mask Material: Food-grade PE *CPR Mask Color: Transparent *Keychain Bag size: 5x5.5cm