1Fast Sweat Absorption: Have mesh sweat absorption layer to help you get rid of armpit embarrassment, fast absorption of sweat, polymer water absorption layer, can fully absorb sweat, with PE isolation layer to lock sweat impermeability. 2Embossing Technology: Armpit sweat proof pads uses embossing technology, not easy to deform, no displacement, sweat concentration and no leakage during use. 3Package Includes: There are 40pcs absorbent pads and 2pcs swaet pads roll, which are enough for you to use. You can replace the old or damaged ones with new ones. 4Easy to Use: Simply strip the lining and slip it over the inside of your collar. At the end of the day, remove the backing board and simply throw it away. Your collar and neckline will stay dry and free of stains and odors 5Multifunctional Application: Keep the neck area of your clothes or the inside area of your hat free of dirt and disposable use without cleaning. Suitable for shirts, tops, and even hats etc.