Crown molding for indirect lighting 6-11/16"H x 5-11/16"P x 8-13/16"F molding sold in length of 6'6" (4 piece minimum required) crown molding specifications: - outstanding quality crown molding made from high density polyurethane and designed specifically for installation with indirect lighting environmentally friendly material is hypoallergenic and fully recyclable no CFC no PVC no formaldehydes - rope or LED lighting can be easily fixed from inside the molding or on the wall behind the molding - front surface of crown molding reinforced with synthetic foil providing extra durable and smooth surface - molding milled on the reverse side for strong adhesive bonding - water and humidity resistant - maximum long term protection against scratches and dents - crown molding is pre-primed with water-based white paint - has tough extremely smooth surface - complimentary flexible molding available - metal dies used for consistent quality and perfect part to part match for hassle free installation; - there is a four piece minimum requirement for this molding purchase; Polyurethane is a high density material--it's extremely lightweight and easy to install (and comes primed and ready to paint). It is a green material meaning it's CFC and formaldehyde free. It is also moisture resistant--so it won't shrink flex or mold. What's also great about Polyurethane is that it's completely customizable and can be treated as wood (you can saw it nail it screw it and sand it). In addition our polyurethane material come primed and ready to paint.