Brand new, unopened. 【Excellent Breathability & Doesn't Peel Off Easily】Ultra-thin at only 1mm thick, these can be applied 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 won't 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. They have excellent absorbency, instantly absorbing sweat and quickly catching 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. Suppresses dirt and odors on the edges of hats, and can also be attached to collars without worrying about sweat stains. Keeps you feeling refreshed even in the hot summer, quickly absorbing sweat and preventing sweat from getting into your eyes. 【Achieves a Soft Feel】Made of lightweight and soft non-woven fabric, they feel comfortable and are lightweight and breathable. Contains silver ions to maintain a clean condition even after long periods of wear. Compatible with various hats such as baseball caps, sun hats, engineer helmets, and tennis caps. 【Wide Range of Uses & Plenty of Quantity】Hat sweat-absorbing sheets (50 sheets) that can be used for a long time, perfect for collars and hats of clothing, and all structured hats for men, women, and children, and can also be applied to sports bras. / ⚠️ ・Immediate purchase is OK. You can purchase without commenting. ・Please refrain from purchasing if you are sensitive to the condition as they are stored at home and inspected by an amateur. ・Please understand that even unused items have been handled by someone before. ・If you have any concerns about the product, please feel free to comment. I will respond as quickly as possible! ・Shipping will be in simple packaging and anonymous delivery. We are committed to waterproof and careful packaging. ・Returns and exchanges are not accepted after shipping to prevent tampering. Please understand. I am committed to making transactions pleasant. Thank you for your cooperation!