Yongsheng WPC landscape material components: 30% HDPE (Grade A Recycled HDPE), 60% bamboo/wood fiber (Professionally treated dry bamboo/wood fiber),10% chemical additives (Anti-UV agent, Anti-oxidation agent, stabilizer, colorants, anti fungus agent, coupling agent, reinforcing agent, lubricants...etc.).Main features:looks and feels like natural wood;Durable , firm because of its high density;high degree of UV and color stability; highly resistant to moisture and termites; easy to install and low labor cost;requires no painting,no glue,low maintenance;100% recycle,environmental friendly,saving forestresources;barefoot friendly,anti-slip,no cracking; weather resistant,suitable from -40 to 60 centigrade.