Made of polyethylene with UV inhibitor and flame-retardant. Long poly tube design restricts oxygen and extinguish burning butts rapidly. Umbrella-shaped covered head keeps water out eliminates heat. Stainless steel connectors which tightly connect the receptacle have rust and corrosion resistance. Included steel pail that collects thousands of unsightly butt. Anti-theft design prevents theft or vandalism（padlock is not provided.