... A Recycled HDPE)60% bamboo/wood fiber (Professionally treated dry bamboo/wood fiber)10% chemical additives. (Wood texture strong, resistant to abrasion ... , saving forest resources2. with the look of the natural wood but less timber problems3. Moisture/Water resistant, less rotten, ... Certification & ISO 14001 CertificationCE, ROHS, INTERTEK, ASTM wpc outdoor pergola,wpc gazebo,wood gazebo,wpc pergola