Save time and space with our Cap Rack. They are light weight and durable. Allow for a quick set up. The way it stacks also saved a lot of space. You can cut out any number of ink cups needed and save the rest for later. Available Ink Cup Size: 10mm and 12mm size ink cups and each Bag has 12 Rows each row has 50caps. So the whole bag has 12 rows x 50 caps = 600 caps total.