The Burial Vault shown is a Wilbert Veteran Stainless Steel Triune, one of Wilbert Vault Company's highest quality burial vaults designed for those who have served in the United States Armed Forces. The Stainless Steel Triune Line of Burial Vaults are a tripple reinforced Burial Vault, using a protective concrete exterior, an interior high impact plastic liner, and a stainless steel plating on the interior of the base, under the lid, and over the top of the vault which is referred to as the vaul