I hate my rolls of thread rolling everywhere except for where I need them. Let's be honest. For however wonderful Aurifil thread is (and you know I swear by it and wouldn't use any other thread), it an't cheap. Why not protect your thread investment, by keeping your large spools of Aurifil in a dust-free and protected case, I'm so happy these have come on the market! What's best is that you can now create your own collection of Aurifil thread! Fits 12 Large Spools of Aurifil thread. YOWZA!