People who wear this product will find that it will not have quality problems like loose threads, obvious needle holes, crooked lines, puckering, or places that have been stitched over multiple times. Welded carefully, it is scratch-proof and won't hurt people. This product can last for decades if cared for properly. It doesn’t require people's constant attention. This greatly helps save people's maintenance costs. Welded carefully, it is scratch-proof and won't hurt people.