Specifications: Wide Application Our hat size reducers are suitable for various types of hats, including top hats, straw hats, berets, sports caps, and peaked caps. Sweat Absorbing This hat sweat liner is made of high-quality non-woven fabric that is moisture-proof and breathable. It offers excellent sweat absorption, helping to keep sweat away from your eyes. The material is soft, durable, and lightweight, providing a comfortable fit with shock absorption and heat insulation properties. Comfortable to Wear The sweat-absorbent cap pad is crafted from skin-friendly, soft non-woven fabric with good air permeability, ensuring a refreshing and non-irritating experience. The edges are smooth and gentle, preventing skin irritation and offering comfort during physical activity. Wide Range of Application This hat liner is ideal for use with golf caps, baseball caps, sun hats, and hard hats, helping to keep you dry in hot weather. It can also be placed on necklines or inserted between the hat and sweatband, or between the sweatband and head, for a more comfortable fit. Sufficient Quantity Includes 20 pieces of hat-reducing tapes, providing enough supply for daily use and replacements. Ideal for sharing with family and friends.