This means that if you have an extremely valuable item such as parts of a collection or family heirloom, you can guarantee its security with the Safe Deposit Box Insurance Company (SDBIC) without needing to disclose your items. While it is true that the contents of your safe-deposit boxes are not automatically covered by your deposit insurance, it makes it so much easier to insure the box itself based specifically on its contents. Financial institutions and private vaults invest in durable boxes that are waterproof and fireproof, standing a greater chance of surviving a natural disaster than if it was at your home. One of the great things about safe deposit boxes is their consistency.