The binders are really built well and maintain their shape and strength even under heavy usage. The two inch version is in my opinion a better option that the three inch as the later tends to become too bulky and more difficult to handle then the two inch version.
This notebook is very durable and withstands the test of being used daily in a business. The different vibrant colors allow us to easily distinguish which book is for which project. The 3 rings hold up to being opended up every single day. But.... it is not good for putting in a school book bag because the rubber on the edges doesn't allow the notebook to easily slide into the book bag. My daughter fights every morning to put them in her book bag because the ruber on the edges sticks to the side of the book bag. Not a happy scene at 6:30 in the morning before school and work.