【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. 【MATERIAL】 100% natural latex (environmental and non-toxic). Advanced manufacturing technology. 【SIZE】 Free size. (One size fits most children and adults.) 【Better shape】 The small package may cause slight deformation of the mask, just use something to prop the mask up and let it return to its original shape
