【MATERIAL】 100% natural latex (environmental and non-toxic). Advanced manufacturing technology. 【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 enlarge the existing holes or dig new holes to improve the sight. 【ODOR 】When you open the package for the first time, you will smell something. Don’t worry, it’s the odor of natural latex. Just put the mask on ventilated place, the smell will disperse. 【AFTER-SALES】PartyHop is a professional mask seller. If you are not satisfied with the items, just return them for a full refund.