Ships from Hong Kong. Material: 80%POLYAMIDE+20%SPANDEX. UV Protection: 99.9%. The cooling arm sleeves help to protect your skin and feel cooler. It is a special moisture-radiating material that actually offers cooling effect. Perfect for Cycling, Fishing, Golf, Drive, Jogging, Claiming and other outdoor activities. Suitable for Indoor Activities too, even your workplaces (Your arms won't be sticky on your desk).