... green,brown red,coffee,blackMaterial30%HDPE ,60%natural fiber(wood powder,bamboo powder,etc)10%additives(Anti-UV agent ... ,stabilizers ,colorants,and etc.)Surface treating methodBrushing, sanding, groove, wood grainApplicationsOutdoor, Environmental Decking, Fencing, garden, summer house, villa, ... Safe to use for many years8. No painting, no glue, free maintenance9. Anti-slip, less crack and warp, ...