Directly apply the film to prevent sweat stains. Can be applied to areas where sweat is a concern, such as underarms, soles of feet, and chest. It's transparent, so it's less noticeable, and convenient for sweat対策 indoors, such as office work. *Please be aware of the precautions before purchasing if you have sensitive skin. Purchased in bulk at the end of last summer, and stored at home. - Brand: Chemoir - Product Name: Salari Nudy Underarm Film 0.025mm, 0.005mm, 2 types, 20 sheets each - Function: Firmly blocks underarm sweat and sweat stains with the film. Made in Japan. Please understand that this item has been stored at home before purchasing.