Cooling Towel - Towel size: 6.7 x 33 The tube acts as the perfect air-tight storage solution. Instant Cooling No Refrigeration Needed Reusable Long-lasting Portable Machine-washable . An innovative towel that delivers instant, long-lasting coolness; wherever, whenever. The unique, lightweight fabric retains coolness for up to 4 hours with no refrigeration required! Perfect for sport, exercise, health & wellness.