These walnut urn bases are constructed of medium density fiber- board (mdf) with real walnut wood veneers and the application of a dark walnut stain. Pet ashes are installed through the removable bottom panel secured to the urn using screws. For engraved name- Plates we recommend 1-2 line engravings, with no more than 25-30 characters per line. All orders come with a 100% customer satisfaction guarantee.