Materialby EVA Cone, rubber base, good grip effect, moderate weight, easy to cast and transportation, good pressure resistance, elasticity, water resistance, aging resistance, long service periodically."Characteristics of appearance" in bold red and white sleeve, sleeve with high quality crystal reflective materials, whether it is day or night with good reflective effect, is a very good isolation warning product."Scope of application" this product is applicable to municipal roads, communities, isolation such as car parks, construction sites and transportation.