【Excellent Breathability & Secure Hold】With an ultra-thin design of approximately 1mm, simply stick this sweat-absorbing sheet inside the cap, collar, or cuffs of your shirt. It quickly absorbs sweat, preventing stuffiness and sweat stains on caps. The adhesive is strong, yet designed to be gentle on clothes when removed. 【3-Layer Structure for Superior Absorption】The triple-layer structure of absorbent layer + polymer water-retaining layer + waterproof layer quickly absorbs sweat and prevents it from soaking through to your clothes. As a sweat-absorbing tape for hats, it stays in place for a long time and maintains its shape. It provides comfortable support even during outdoor activities and sports in the summer. 【Disposable & Hygienic】As a disposable hat stain prevention tape, it can be replaced after each use, ensuring cleanliness. You can go out without worrying about sweat, and it prevents stains and odors on your hat. It also prevents yellowing of collars and makeup smudges, and is useful for preventing collar stains. 【Soft & Comfortable to Wear】Made of soft non-woven fabric, it feels comfortable against the skin. It's lightweight and breathable, so you can use it without any discomfort. Compatible with various items such as baseball caps, visors, hats, and helmets. Recommended for both men and women looking for sweat-absorbing tape for hats. 【40 Sheets Included - Versatile for Various Occasions】With a generous 40 sheets, it offers excellent value. It's suitable for a wide range of situations, from daily commutes and sports to outdoor activities and travel. The size is suitable for both adults and children, and it's a convenient sweat-absorbing sheet for hats to prevent sweat stains on caps, collar stains, and yellowing of clothes. Thank you for viewing.