SAFETY DEPOSIT BOX |
SAFE DEPOSIT BOX |
Those who prefer “safe deposit box” feel that the box in question is a container for the safe deposit of goods; it is not a box in which to deposit your safety. But manufacturers and dealers in this kind of safe are split in their usage. Just be aware that some people feel that “safety deposit” is an error whereas no one is likely to look down on you for saying “safe deposit box.”