Most burglars spend less than six minutes inside a victim's home and only have time to check the most obvious places for valuables. With this product you can hide your valuables in what looks like an ordinary book- the last place a thief would think to look. This is an actual book with a space in the center cut out and comes in assorted titles. The outside dimensions of the book are 9 1/2 x 6 3/8 x 1 3/4 inches. The dimensions of the space inside are 6 3/4 x 4 x 1 1/4 inches.