Security on the go! This safe is an ideal size for storing and protecting personal belongings and valuables safely in a vehicle, boat, home, RV, office or even when traveling. It is small and lightweight enough to fit in a duffle bag, backpack or suitcase. The steel mounting sleeve has six pre-drilled holes and mounting hardware (included) for easy installation. Once the sleeve is mounted the sleeve holds the lock box in place. Only the key will release the box from the sleeve. The lock box can be mounted almost anywhere hidden away from prying eyes. When you want to move the safe, unlock the safe from the sleeve and take it with you. To open the safe insert and turn the key and lift safe door to open.