It is a personal protective equipment to protect hands from high temperature, molten metal and sparks during welding. It is made of cow, pig suede or two-layer leather, divided into two-finger type and five-finger type according to different finger types. Welder gloves have strict appearance requirements. The first-class product requires the leather body to be uniform in thickness, plump, soft and elastic, with fine, uniform, firm, uniform color depth, and non-greasy. Second grade: The leather body lacks full elasticity, the leather surface is thick, and the color is slightly shaded.