Amazing Sweat AbsorptionOur disposable collar neck liner pads containing an all-natural absorbent quickly to absorb both underarm perspiration and odor. Keeping your hat and collar clean and dry all day long. Whether it's a meeting or a date, our disposable hat sweat liner will help you stay dry and confident. Invisible & Comfortable Our hat filler inserts are made of microfiber fiber fabric, cap sweat liner is super soft, ultrathin. Light weight and portable, nearly invisible. Disposable, no washing necessary, easy to use. Provide discreet and comfortable protection all day long. Perfect for outdoor and travel. Strong Adhesive & Stain FreeThese collar neck liner pads for sweating are consisted with selected adheres with strong adhesive. These sweat pads adopt the structure that fits the clothes/hat and is not easy to shift or fall off. Not only it readily adheres but also peel off easily without leaving any residue on your beloved clothes. (NOT APPLICABLE ON WOOL OR SILK CLOTHES); Thoughtful Summer GiftThe premium sweat pads are perfect for a variety of shirts, hat and blouses. these pads can make a significant difference in keeping your collar dry and stain-free. They are practical and easy to use, light sweat guard to protect you in many occasions for both men and women, suitable for outdoor and traveling friends, a great gift for summer life. Self-confidence and Anti-sweatDon't let hat sweat hold you back. Trust our Hat sweat protector to provide unbeatable protection and peace of mind. Stay dry, confident, and stylish all day long with these hat liners for caps.