Thirty minutes. According to Dr. official website Chun Yu's inquiry, you can stick to it for 30 minutes every day. Sweating clothes, also known as sweating clothes, are composed of polyester fiber and silver coating. It uses silver nano-technology and nano-silver film thermal radiation sweating technology to reflect the heat released from the body surface back to the human body, forming a thermal cycle, thus promoting the human body to sweat continuously. It is said that it has five times the effect of sweating, which can make the effect of slimming and bodybuilding get twice the result with half the effort.