Quick Details Place of Origin:Zhejiang, China Brand Name:Globalroll Name:Non Rebreathing Oxygen Mask Material:Clear soft, non-toxic PVC Size:S/M (Infant), L/XL (Adult),neonate size Tube Length:2m or customized Quality Certification:ce Certificate:CE&ISO Sterile:EO gas sterile Instrument... https://www.rollmed.net/face-mas...tion-non-rebreather.html