Most stories have a metaphorical black box full of secrets that are revealed as the story moves forward. Our Mystery Box is an actual black box! Of course you'll want to store all your most mysterious possessions in a box covered in question marks. This 7" x 5" x 1-1/2" cardboard box is held shut with a magnetic closure and includes a free sticker sheet with extra questions marks. Perfect for storing that clump of Bigfoot hair you found and your monkey's paw with two wishes left. Leave it in your guest room and tell guests not to open itthey won't be able to resist!