... available Item name silicon maskApplicationsMedicalDescription An oxygen mask provides a method to transfer breathing oxygen gas from a storage tank to ... the lungs. Oxygen masks may cover the nose and mouth (oral nasal mask) or the entire face ... silicone, or rubber. silicone mask ,reusable, size# 0, small infantsilicone mask ,reusable, size#1, large infantsilicone mask ,reusable, size#2,small ...