1. Check the fabric surface and the style of swimwear.
First of all, check the fabric surface of swimwear for flaws, color differences and stains. For swimwear with buckles or shoulder straps, check them for firmness, so as to make a quality judgment.

2. Check the type of the fabric.
Nylon, spandex and polyester are the most commonly used fabrics for swimwear at present, and nylon or polyester is often mixed with spandex. But nylon is softer than polyester and better in wear resistance. In addition, the content of spandex is also an important index to judge the quality of the swimsuit. The appropriate spandex content of swimwear is between 15% and 20%. If the spandex content is low, the elasticity of swimwear is low. It is recommended to select swimwear carefully.

3. Check the elasticity and size of swimwear.
High-quality swimwear should not only have high elasticity, but also have good resilience, which can ensure that swimwear can return to its original shape after it has been stretched. Stretch the swimsuit several times to see the elasticity and resilience of the fabric.

Try on the swimsuit when making a purchase of it, and take fit and comfort as the principle. Generally, swimwear is tighter than normal clothes. However, if the swimsuit is too small, it is easy to leave red marks on your body, resulting in poor blood flow. If the swimsuit is too big, it is easy to slip out of position, and it will increase the resistance during swimming. Therefore, consumers should be able to stretch the swimsuit or try it on when purchasing it, so as to know whether the swimsuit is a good fit.

4. Check swimwear for fading.
Wipe the swimsuit back and forth with a white cloth or a piece of facial tissue to see if there is obvious fading. If the color fading is obvious, that is, the swimsuit has poor color fastness, which affects the appearance of the swimsuit and may cause damage to skin.