No comments needed, immediate purchase is welcome. First come, first served even if there are comments. Brand new, unused Color: Black 50 sheets 【Excellent breathability, difficult to peel off】 Ultra-thin at only 1mm thick, these can be attached to the inside of hats, collars, and cuffs to prevent sweat stains and odors all day long without worrying about sweat or stuffiness. They are firmly secured with adhesive and use an adhesive that is easy to remove after use and does not damage clothing. 【Non-staining structure】 Absorbent mesh layer: Quickly absorbs sweat. Polymer absorbent layer: Sufficiently retains sweat. PE waterproof layer: Prevents sweat from soaking into clothing. The excellent absorbency instantly absorbs sweat and quickly catches it. Fine edge pressing prevents the shape from collapsing during use. 【Disposable, reliable absorbency】 Hygienic disposable type, easy to peel off. Prevents sweat from escaping and protects forehead makeup. It also prevents dirt and odor on the edges of hats, and can be attached to collars without worrying about sweat stains. It keeps you feeling refreshed even in the hot summer, quickly absorbs sweat, and prevents sweat from getting into your eyes. 【Achieves a soft feel】 Lightweight and soft non-woven fabric material provides a comfortable fit and is lightweight and breathable. Contains silver ions to maintain a clean condition even after long periods of wear. Suitable for various hats such as baseball caps, sun hats, engineer helmets, and tennis caps. Perfect for structured hats of all kinds, including clothing collars, hats, and for men, women, and children. Also applicable to sports bras, etc. No smokers Will be shipped via Nekopos or Yu-packet Post.