About This Item: DURABLE MATERIAL - Made of high-quality metal frame and plastic cover with exquisite craftsmanship, which is wear-resistant for long-term use PRIVATE SPACE - Features a concealed key-lock compartment(2 keys included in the box, just open it). Perfect for hiding cash, collectibles and personal items, provide you a private individual space EASY TO HIDE - With a realistic dictionary cover look, it naturally blends in with the rest of your library on your bookshelf, makes it virtually impossible to be detected PORTABLE TO CARRY - Lightweight and compact material, handy and convenient to carry. It can be easily put in your luggage, briefcase and backpack and more MULTI SIZES - There are 4 sizes for selection, meets your needs. Mini-3.1"(L)*1.8"(W)*4.5"(H), Small-4.5"(L)*2.2"(W)*7.1"(H), Medium-6.1"(L)*2.2"(W)*9.4"(H), Large-10.4"(L)*2.6"(W)*7.9"(H) Product Specification: -Material: Metal construstion+plastic shell -Color: Red/Black/Blue/Brown -Package Include: 1 x Dictionary Book Safe, 2 x Keys -Features: Durable material, security storage, easy to carry