Outer dimensions of the box
Height   : 50 cm
width    :40 cm
depth  :  35 cm
Internal dimensions of the box
Height   : 36 cm
width  :  26 cm
depth :   18 cm
Other features
Weight  :  130 kg

A safe deposit box is a secure container, usually made of metal, that's used to store valuables at a bank or credit union. These boxes are often kept in vaults and can be rented by bank customers for a fee.
a locked box in a bank, etc. in which money, documents, and other valuable items can be stored: Macdonald put the money in a safe deposit box in a Montreal bank. 
A safe box, also known as a safe, is a secure container designed to protect valuable items and important documents from theft, fire, or other types of damage. Safe boxes come in a range of sizes, materials, and locking mechanisms to suit various needs.
A safe deposit box (or safety deposit box) is an individual secure container, usually a metal box, that is stored in a locked room such as the safe or vault of a federally insured bank or credit union.