I love this product! I help mow hay for my horses and have terrible allergies to the grass and of course pollen is everywhere when mowing it. I normally sneeze constantly when putting up the hay but with the nasal screens, I don’t sneeze at all. They are more difficult to breathe through (about like having a stuffy nose) but I get used to it and it beats having a stuffy nose for days. At the end of the day, the nasal screens are covered in dirt so I love these for the fact that dirt didn’t go in my nose. For the few days I need them, they are well worth the cost.