It is made of polyester. Have it as a gift for those who like sports. This is a cooling towel featuring with a physical cooling, sweat absorbing, breathable, light and soft texture. Cooling towel stays 15 to 20 degrees cooler than the air. Cools with no chemicals. This towel is good for running, Relay for life, Golf outings, Any event where people are in the sun or a hot environment. Keep cool for hours when wear it around you neck. The price includes the shipping cost to ca, QTY over 2000pcs by ocean. Thank you!