Made in Taiwan and certified. 1-ply waterproof mask filter to be used together with reusable fabric masks.

This filter material is the same as the top waterproof layer of medical-grade 3-ply surgical masks, providing an additional protective waterproof layer to your fabric mask. 

Comes in rectangular shape so that you may easily cut to your desired mask shape. Suitable to be used together with Beary Naise fabric masks and other shaped fabric masks. Slot 1 or 2 pieces into the filter slot of our fabric masks and you're good to go! 

Properties:

• Non-woven material
• Waterproof
• Anti-dust
• Soft and gentle
• Breathable and non-stuffy

Note: This is not PM2.5 filter.