"made by us" precut PPE Gown material kits available for purchase
Face Mask by LA Protects

Face Mask by LA Protects

This style seems very similar to Kaas model.
Here is information developed by Kaiser Permanente for manufacturers  on approved specifications, materials, and processes for producing protective gear for LA City. 

To sign up to be authorized, please go to LA Protects and sign up. Please note you need to have a manufacturing certificate number and you need to be located in LA.