Basic Face Mask - Set of 5Introducing our 4 ply best selling mask, now in affordable basic packs set of 5 in all colours. In compliance with WHO, our Hanya Face Mask is made to be safely worn, especially with filters. It has 3 separate layers, with a cotton filter layer sewn directly inside the mask. The first layer acts as an absorbent agent, the second layer has a washable pocket for adjustable filter and the third layer acts as protection that blocks 90% of the light. The