Sanidika Lockable box is food grade plastic materials,BPA FREE. it could put in fridge storage or freeze. Included the three digit combination lock.We designed with folded packing,very easy assembled and much sturdy. It's super useful : Medicine, Lock box ,bathroom Medical cabinet,Pill case storage container Remote control, game machines,Ipad,tablet, phone, Lock up jail Food,sweets,Chocolates,insulin,suda,Refrigerator lock bin Office documents,files safety box School personal items storage box cabinet Cosmetics origanization Lunch container Kitchen storage chest Room stack cabinet Personal items secret box Gifts for any occasion .... SETTING THE LOCK - Initially your lock is set to the default code 000. This will allow you to reset the code to a new three-digit code of your choice. Turn the lock over onto its backside and look for a small post on the lower left side. The post will be in the default position A. - To create a new code, simply push the post over to position B. Now turn the lock back over to the front side. Press down on dials and rotate numbers to your desired three-digit code.Note: the three-digit code MUST be aligned to the middle hash mark in order to set. We suggest that you immediately write down your new code and keep in a safe place before proceeding to the next step. - The final step is important to lock in your new code. Note: keep the dials on the lock set to your new code while following the next step. Turn the lock over again to the backside and push the post back to position A. Now your lock is set to your new code. RESETTING THE LOCK - Anytime you want to change the lock to a new code, turn the dials to yo