Urns used to bury ashes is one of more popular ways for people to create a perfect memorial for their loved ones. Although all cremation urns can obviously be buried some are meant to biodegrade others are long lasting. Many urns for ashes will not easily disintegrate and will keep the contents safe. These urns are made of long lasting materials such as metal and stone. When looking for burial urns for ashes, consider if you want it to be protected or to biodegrade and become part of nature. If you want the urn protected, It is recommended that the urn be placed it inside an urn vault before burial. These special vaults are made of durable and very strong materials that will protect the urns for ashes as well as its contents.