As you can see from the diagram, dust mites and their associated allergens cannot go through our allergen barrier. Spending years on extensive researches and with advanced technology, we have developed this exclusive products to help allergy sufferers. Our allergen barrier is able to prevent dust, dust mites and all the associated allergens from entering your bed.  More than that, the tightly woven fabric is breathable which allows air and moisture vapor to pass through. Therefore, you and your family will enjoy a good night’s rest comfortably without worrying about the irritants from your beds anymore!