This is a business card case from MUJI. I've only used it once, but it's been in storage for a while, so there's some wear on the back. Country/Region of Origin: China Outer dimensions: Approximately 60 x 93 x 8mm Inner dimensions: Approximately 57 x 92 x 7mm Material: Aluminum Number of cards that can be stored: Approximately 25 Type of card holder: Business card case Material of card holder: Hard