The Ebony Urn for Two - Shared Compartment is a companion urn -- designed to hold the ashes of two people. Made of cultured marble, this urn has the classic look of black marble with white veining. With this design, the ashes of the two people are in one shared compartment. (If preferred, this urn also is offered with a divided compartment, the Ebony Cultured Marble Urn for Two.) In terms of capacity, the Ebony Urn for Two - Shared Compartment can hold 400 cubic inches of ashes. It is often chosen for a loving couple who wish to have their ashes mixed together. The combined weight of the two individuals before cremation should total 400 lbs. or less. This style of urn is sometimes called a double urn. Cultured marble is known for its durability. This urn can be buried, kept at home, or placed in a niche. For ground burial, a separate urn vault often is not necessary -- saving you hundreds of dollars. Families should check with the cemetery for their burial requirements. This Ebony Urn for Two - Shared Compartment is made in the USA and is comprised of stone, resin, and color. All of these materials are chosen for their strength and natural beauty. The opening is on the bottom of this companion urn. There is one threaded screw which opens to the single, large compartment. This cultured marble urn can be x-rayed and thus meets the TSA guidelines for air travel with a cremation urn.