Key features of PJ mask: -- Provides enhanced protection for the wearer compared to normal "BLUE" masks. -- More cost-effective â doesnât need to be changed as often as normal "BLUE" masks(every 30 hrs instead of every 4 hrs). -- Self-sterilizing â killing viruses within 1 minute of means there is minimal infection risk from discarded masks after use, removing potential biohazards. --Longer effective life â fewer masks needed, reducing medical waste and protect our environment. Specifications: disposable Shipping Terms : to be discussed Payment Terms : To be discussed Looking for buyers from : Worldwide : Melani