3 digital combination lock design, no key needed. This Diversion Book Safe provides the perfect hiding place and allows for easy access to your valuables when you need . This book safe with lock key looks like a real book and will easily in with the other books on your shelf. Hardcover cover easily fits into any bookshelf, book, or other items on the table. Perfect safety or for traveling with valuables/cash. Simply fits on a shelf or bookcase, in a carry-on/beach bag, or rests easily in plain sight on a coffee table or night stand. Type name:book safe box Colour:blue Material:Stainless steel + plastic Size:18 x 11.5 x 5.5cm Package Contents: 1 x Dictionary safety box Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.