Technics: Decking Flooring Design: Hollow Decking/Solid Decking/DIY/WPC Keel Usage: Outdoor Length: 2.2m or 3.0m or according to customer Material: Wood-plastic Composite, 60% Wood Powder,35%HDPE, 5% Chemical Active Surface: One side thin groove, another thick groove Durability: 15-25 years