16 pack key tags(8 black + 8 white), 16 pack spring O rings, 24 sheets of cards in 8 colors. The thick ABS plastic tags feel just like LEGO bricks, with crystal-clear windows that stay clear long-term. 24 sheets of cards in 8 colors (1.5" x 0.75")- features smooth writing with no bleed-through, double-sided usability, perfect for key organization. The spring O-rings allow for easy attachment and removal while keeping your keytags securely in place. Not just for keys! Organize USB drives, important files, camping gear, gym lockers, luggage, and more.