This cooling towel is made from extra-absorbent PVA that wicks warm moisture from your body, keeping you cool and refreshed for up to 5 hours. It’s safe and reusable, and antimicrobial to prevent mold and undesirable odors. It reduces the causes of heat stress and is machine washable. Dimensions: 16″x 25.5″. High-visibility safety yellow color available. Once activated, this product will stay cool for up to 5 hours.