? Single Burial Vault For Urns in black is super strong for your loved one's urn and should be accepted at any cemetery for urn burial. This vault has been tested at 2000 PSI (per square inch), so it will not crush. The material used is ABS (Acrylonitrile Butadiene Styrene). ABS offers excellent mechanical properties and is strong to delivers good impact strength. ? You can place your urn for an adult or child in the vault, or you can place the bag of ashes or temporary container directly, as well. ? Measures: Outside: 16.5" width x 12" depth x 9.5" height Inside: 14" width x 10" depth x 6.5" height Interior dome height: 9" height ? Satisfaction Guaranteed. ? Get it fast! Ready to ship in 3?5 business days.