Plastic chains, protective chains, safety chains, and warning chains come in various colors including red, white, orange, yellow, black, red and white, green, and blue. Their uses include hanging clothing and other goods in shopping malls, clothing stores, and small commodity markets; dividing busy areas and temporary site boundaries; and isolating temporary passageways in hotels, sports venues, and shopping malls. They can be used together with road cones and traffic warning posts. The price is per meter, and the material is PP.