Overalls for operational needs special clothing. According to customer requirements, combined with professional features, team culture, age structure, body features, wearing habits, and many consider the color of clothing, fabric, style, shape, matching, etc., to provide the best design solutions for customers to build wealth connotation and taste the new professional image. Overalls in enhancing corporate image, showing corporate culture played a positive role. There's overalls have meaning propaganda, such as many of the services sector employees were wearing printed with the company LOGO and size of uniform, wherever are a mobile ad. Overalls by selection and classification of climate according to their choice of uniform materials can be divided into: pure textiles, blended fabric, fur and other materials uniforms. Pure natural textile fibers, cotton, linen, wool, silk; chemical fiber rayon, Dacron, nylon, acrylic, spandex, polypropylene, polyvinyl chloride, Teflon and so on. Blended fabric means of two or more materials and more mixed and woven into the fabric. Uniforms natural fur and fur artificial fur sub-categories, including natural fur animal fur and leather types; including artificial fur plush camel hair, flocking, leather, synthetic leather and other chemical leather; other materials mainly refers to a variety of wood, chitin , plastic, metal and the like.