wpc floor is wood plastic composite,recycled and environment protected,save ... more close to natural and elegant1, The wood plastic composite floor/deck is made of 45% fine wood waste fibers which ... slip ,flame retardant ,Easy to assemble,low maintenance,paint-free.4,common sizes:145mmx30mm,140mmx30mm,140mmx25mm,230mmx9mm,70mmx12mm.or can be ... ,but it could cause slight color variation. outdoor wpc floor