Riipoo M Size Book Diversion Hidden Book Safe with Strong Metal Case Inside and Key Lock (Small Stamp Building,Size 18011555 MM) This book safe looks like a real book, If you open this combination book safe, the book safe will be surprised to reveal a secret storage compartment, and contains a metal safe with a key lock. The hidden book safe can keep cash, credit cards, coins, passports, currency documents, Jewelry, keepsakes and other things inside. The diversion safes perfect for home, office, school, travel, Rv's and boats, The book safe will blend seamlessly into your bookshelf. The book safe with lock include 2 keys inside Small Stamp Building / Pisa Pattern, M Size - 180 x 115 x 55 mm ( 7.1 x 4.5 x 2.2 Inch)