HOMDOX-XT Home Security Dictionary Safe Book Diversion Lock Hidden Box with Combination Lock, Full Size, Metal-Full Size Features include: looks like a real book and will blend seamlessly into your bookshelf contains a metal safe with Combination lock Made up of High-quality steel and design with an elegant apperance. Hardback book cover easily blends in with other books or objects on any shelf or table. 3-number combination lock design, do not need keys. Easy to carry and store.Secure-lock, hidden and safe. Diversion safe - This strong and compact steel safe is ideal for safely storing money, passports, jewelry, handgun, and more! Interior Dimensions: 22x14x4.5cm/8.58x5.46x1.76inch; Outside Dimensions: 23x15x5.3cm/8.97x5.85x20.7inch