5/8” Poly-lumber made from recycled plastic and milk jugs; lifetime guarantee to never crack, split or fade. Taupe base w/blue roof. Stainless steel screws. Opening side doors engraved with "clean" and "view". "View" door opens to a plexy glass viewing window. House has a raised screen floor to reduce blowfly infestations. Front wall screen helps chicks climbing to the entrance hole. Predator-resistant 1-1/2” entrance hole. Overhang roof, vents and drainage holes keep nest dry and cool. Comes with mounting screws