Polyester fabric sunscreen is good. 1, first of all, polyester fiber is polyester, polyester fiber molecular structure contains benzene ring, benzene ring can play a very good role in reflecting ultraviolet light, so the polyester fiber fabric itself can play a certain role in UV protection and sun protection. 2, secondly, the lining of the sunscreen made of polyester fabric will be coated with a layer of sunscreen coating, this layer of sunscreen coating can effectively increase the role of the clothing against UV rays, to prevent UV rays through the clothing to harm the skin, playing a double sunscreen effect. Therefore, the choice of sunscreen clothing, polyester fabric sunscreen clothing is a better choice.