ISKALT Sweat Absorbing Sheets for Hats Color: White 40 sheets per set! 【Features】 ・Ultra-thin, 1mm thick, so it feels natural when applied to hats or collars! ・3-layer structure (absorbent → water-retaining → waterproof) effectively catches sweat and prevents it from soaking through to clothing. ・Non-woven fabric with silver ions provides excellent antibacterial and deodorizing effects. ・Adhesive surface is easy to peel off and won't damage clothing, leaving no residue. ・Disposable for hygiene! Keeps you clean at all times. 【Uses】 ・For all kinds of hats, such as baseball caps, visors, and work helmets. ・To prevent sweat stains on shirt collars and cuffs. ・A must-have item for hot weather, such as for outdoor activities, commuting, golf, and sports days!