Stain Prevention Prevents yellowing of the armpit area of white shirts. For uniforms, costumes, and other important apparel. These are adhesive sweat pads for the armpits that you stick to your clothes. They are ultra-thin and discreet. They have antibacterial and deodorizing effects, keeping your clothes clean. ・8 sheets per pack ●Other I have kept these at home for several years without using them. Please understand that this is a personal inspection. I will ship via Nekopos. #ArmpitSweat #SweatPrevention #Armpit #Apparel #Costume