Package Includes:Door Slab; Steel track 6.6FT; 5 x Wall Attachments & Spacers; 2 x Door Stops; 2 x Hangers ; 1 x Floor Guide; 2 x Anti-Jump pins; hardware mounting screws; Door made of Solid wood with honeycomb core with honeycomb and eco-veneer coating. Door is not pre-drilled for the hardware.Thickness of the door slab is 40 mm or 1 9/16". SOLID core Solid laminated wood with a honeycomb core, manufactured using Ciplex technology. CIPLEX by SARTO A high-end film layer, made in Italy, is applied over laminated wood with a honeycomb core. NO FORMALDEHYDE Environmentally friendly, made with the latest eco-conscious materials. We are committed to using only the safest components—because we care about the planet, the environment, and your loved ones. Sarto Doors are ideal for use in hospitals, childcare centers, and other sensitive environments. SOUND ATTENUATION The door is 40mm thick, made of Solid wood with a honeycomb core, providing 30% more noise reduction compared to standard doors. CONSTRUCTION Door is manufactured from a single piece of wood with honeycomb and will give several generations of normal usage with minimal care.