There are many options for the size of the safe box, but the household safe box won't choose the exorbitant height. In general, according to their actual, choose the right size of the safe box. Mainly from these considerations.
1, items that need to be stored in the safe box
If you just store jewelry, documents and other small items, then choose a small size of the safe box. But you can choose a bigger safe box when you store famous items such as famous brand bags, documents and trophies.
2, the location of the safe box. We have to make a decision based on the location of the safe, which involves the weight of the safe box.