... 2.better performance&good looking 3.advanced process technology long-life PS profile for outdoor/garden supporting-Material: polystyrene foam,extruded ... proof,Anti-friction,fire resistant 2.Good-looking,no painting,feel like nature wood appearance,can be sawed,planed.glued,nailed ... ,recycled 3.Customized shape:easy-installation,maintenance-free,long-life to use(up to 20 years) 4.Green,Eco-friendly ...