Set includes: Slab without holes Door made of solid MDF and eco-veneer coating. Door is not pre-drilled for the hardware. Thickness of the door slab is 40 mm or 1-9/16 in. Solid MDF core Solid MDF core made by laminated wood using Ciplex technology. Ciplex by Sarto High-end film layer that is applied on top of the laminated wood. No Formaldehyde Environmentally friendly using only latest eco-friendly materials. Company requires use of only the safest materials. We care about our planet, the environment and you and your loved ones. Sartodoors are Ideal for use in hospitals and childcare centers. Sealing gum German company deventer. It has a special profile that allows to protect your home from dust, makes a cozy and quiet atmosphere around every day. On another side it allows you to save 35 % more heat and save up to 20% to the bill. Sound Attenuation Door's 40 mm thick solid MDF construction yields 30% noise reduction over standard doors. Construction Door will give several generations of normal usage with minimal care. Color: White.