Our Cooling PVA Towel is designed to be activated by water to keep you cool on the jobsite. This cooling towel can be quickly activated by running or submerging it under water for 30 seconds for full absorption. Wring out any excess water and repeat when dry. When activated, the PVA towel will wick away moisture and heat giving you up to 4 hours of cooling time. Our PVA towel features a UPF 50+ rating that will block you from harmful UV rays.