As a teacher I love these notebooks. They last forever unlike other notebooks whose rings get bent and don't meet together and your paper falls out. My own children insist upon using these notebooks.
I got this binder for my 8 year old niece. She would always need to replace her binder many times during the school year. This binder will stand up to the abuse she will put on it.
I am a college professor who uses these binders for all of my classes. They get a daily workout and have been used for years without failure. From the highly durable rubber binding to the easily-identifiable labels and colors I highly recommend them.
I have bought dozens of these binders for projects and record keeping. They look neat are easy to open and close and never wear out. I will never buy any other type of binder.