This should be called Glittering Black Hole. But then again, maybe it shouldn't be. That's not a very friendly and welcoming, is it? Well, this shimmering deep black is a great way to make on outstanding impression on your viewers. And it is 105 lb thick, so it will be a durable, sturdy option for binding your documents together. We offer Onyx metallics in 12 different sizes and 8 different punching patterns for easy binding. So forego the plain black for this one full of life and pizzazz and order a pack of these covers today.