1.CE,SGS 2.anti-UV, anti-impact, anti-moisture 3.Service life:15years 4.Material: ... wood fiber)30% HDPE plastic10% chemical additives( such as anti-UV, stabilizers, colorants,coupling agent ,anti-fungus ect.) Accessories/ Length/PC2.2m ... % recycled ,environmentally friendly· Look and feel like real wood· anti-UV, anti-impact, anti-moisture and termites · service time is 10times ...