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People all over the world use safety cabinets (Wertschutzschrank) and safes as a way to secure their valuable possessions. There are a variety of different safes on the market, with differences in terms of how they are made, how they are certified, and the level of protection they provide. In terms of construction, safety cabinets differ mostly with regard to the materials and the type of locking mechanism used.
The majority of safes on the market are made from metal like steel, due to their strength and ability to offer protection from extreme environmental conditions. However, the metal used is often combined with other materials, with some smaller and customised safe products also made entirely from plastics and synthetic materials. The other major difference with safety cabinets is with regard to the locking mechanism used.

There are a wide range of different locks that can be used in safe products, including key locks, combination locks, padlocks, and electronic locks. The most popular methods of locking safety cabinets are with key locks or combination locks, both of which have a long history in the design of safe products around the world. While a great deal of safes use standard key locking mechanisms, many people associated large safes with combination locks. A combination lock is a type of lock where a sequence of numbers of symbols are used to dial up a combination of several rotating disks. When the right combination is entered into a lock, the disks go into alignment and the safe is able to open. Everyone has seen movies and TV shows where criminals attempt to open safes through guessing and manipulating combination locking systems.

Combination locks and key locks are not the only kind of locking systems used in modern safety cabinets however, with a number of electronic systems introduced over the last couple of decades. While not used by many homes and small businesses, there are also a number of high tech systems that utilise fingerprint reading technology and similar levels of personal entry verification. Some people integrate their safety cabinets with their home or business security system, so that certain security checks can be automated and larger alarm systems designed to analyse safe systems.