【BREATH】If you feel hard to breath, you can poke some air holes to facilitate breathing. Or stick some cotton inside to prevent the mask from directly fitting the mouth. | 【WRINKEL】 The small packaging box may cause slight deformation on the mask, just use something to hold the mask open to let it recover its shape. | 【SIGHT】 See through the eyeholes, nostrils or mouth. If you can't see out, just