Greenyarn sends many of its products for testing regularly to ensure
the product's benefits are present as stated.
Greenyarn sends its products to many different international testing center, around the world for different tests to ensure the products exceed the international standards.

The following are the test reports.
Anti-static
Anti-bacterial / Anti-fungal
Odor Control
Absorption / Emission of Far Infrared Radiation
Facial Mask Safety Report