PREMIUM MATERIAL: Aluminum alloy, MDF and transparent plexiglas, sturdy and enduring, waterproof, anti-pressure. There are altogether two keys to the safe. Take care of your keys, don't get them to lost. PRACTICAL DETAIL DESIGN FOR CELLPHONE LOCKER: The built-in pearl cotton material is used to prevent abrasion, and the number is arranged to facilitate the search, the storage box has a wall buckle at the back, which can be easily hung on the wall and can not fall down. EASY TO USE: Humanized portable design comfortable plastic handle make the product very convenient to carry.Pre-drilled mounting holes, complete accessories, and simple structure allow you to easily install it on the wall, saving space. You can also directly place it on the desktop, which is very convenient.