All materials used in construction of the Oxygen Mask ,and the Oxygen Tubing are latex free, soft and smooth surface without sharp edge and object, They have no undesirable effects on the Oxygen/Medication passing through under ordinary conditions of use. Mask Material are hypoallergenic and shall resist ignition and rapid buring.
Oxygen Mask Specification:
construction:
1. Medium concentration
2. with elastic strap
3. adjustable nose clip
4. with 2m oxygen tubing
Store claim: store in dark, dry and clean conditions